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Glasses for dry eyes/ review of options

I went 'blind' from dry eyes in 2016, and recovered Jan 2017. All pictures shown on this page are items currently used at my home, or used previously during the search to solve a case of severe dry eyes. Several eye doctors told me that people do not go blind from dry eyes. That turned out to be false when talking to more experienced eye doctors. Personally I experienced constant pain, and could only open my eyes a few seconds at a time. I wore the dry eye glasses shown lower on page all day. This page chronicles my first-hand experience, and repeats what several highly-experienced physicians have told me.

Cause of dry eyes:  injury, medicines, working conditions, environment, disease, old age, computer use etc. Signs could include chronically red irritated eye, light sensitivity, and squinting even in normal light. Dry eyes can lead to blurred vision, damaged cornea, and in some cases blindness. Eyesight is important for everything you do. Consult an Ophthalmologist. The doctor might suggest less computer use, more blinking, warm washcloth over eyes, or massaging eyelids for mild or temporary cases. Or suggest humidifier, over-the counter eye drops, fish oil supplements, or in more serious cases, a prescription for Restasis or Xiidra. Other recommendations can include 'plugs' in corner of eye. Prokera, sterile saline, 'blood tears' or autologous serum eye drops, Scleral lens, dry eye glasses. Please follow through on doctor's recommendations and be vigilant.

Treatments I currently use or used:

Humidity. Eye doctor will recommend keeping a humidifier next to bed. I also put a humidifier in the bathroom to create a sauna room when the shower was going. I discovered that household and outdoor humidity is extremely important. HVAC system with humidity control is handy. Above 50-60% humidity is noticeably more comfortable than 35% and below. Living in a damp region is probably better than living in dry desert.

Forum for sharing resources: Dry eye forum Dryeyezone.com talk

Baylor School of Medicine in Houston, Alkek Eye Center, is the leading research institute for dry eyes in the world. 713-798-6100 They never return phone calls

Supplements Dry eye specialist recommended 100 mg Zinc once a day and 1000 mg fish oil 3 times per day "New England Journal of Medicine study shows that fish oil supplements were no more effective than placebo for easing dry eye symptoms. The research was published online in April 13, 2018. Scientists assigned more than 500 people with dry eye disease either 3,000 mg fish oil or olive oil as a look-alike placebo. Their eyes were assessed before the study started and after six months and a year. There was no difference between the groups on a number of objective measures of dry eye disease. Both groups improved significantly."

Prescriptions for dry eyes Research shows that Restasis can restore some tear production gradually over 6 week period, but does not work for every dry eye condition. If no results are observed after 6 weeks of 2-doses per eye per day, keeping the Restasis in eye for at least 5 minutes, the likelihood of success is reduced. However if eye moisture is restored, then continued use is required, with possible improved results after a year of use. Several doctors told me that Restasis will not work if 'plugs' have been inserted into the drainage duct located in corner of eye. One doctor told me that Restasis DID work with plugs, but the manufacturer didn't spend research on the topic, and had to say the product didn't work with plugs. Xiidra, recommended by several eye doctors I encountered, is marketed as a faster-acting version of Restasis. However, I was told by dry eye specialist at Baylor Alkek Eye Center in Houston, that according to research, Xiidra 'is not for restoring tear production like Restasis, but is for treating inflammation.' I got no results from Restasis. I used Xiidra for a period of time. It stings very harshly, while Restasis was only mildly irritating. For me, the Xiidra caused a temporary release of mucus that is rinsed out afterwards with preservative-free sterile saline and removed with sterile q-tip, shown below. The Xiidra was discontinued after my eyes improved significantly over a period of 1 year, using the scleral lenses and blood tears discussed below.

Over the counter eye drops come in two basic flavors: 1) Overpriced bottles of eye moisture containing preservatives 2) Extremely overpriced boxes containing 20-40 individual vials of preservative-free eye moistures. Once opened, these are recommended for single use only and cannot be safely stored for length of time. This product might be ideal for dry eyes, even severe dry eyes, and is very soothing, adding both moisture and oil to eyes, except for the tiny quantity and high price. Refrigerating open vial might be safe way of extending the vial throughout a day. Over counter products work fine for ordinary cases of occasional dry eyes. The preservatives can be extremely irritating for people with severe dry eyes, while the preservative-free vials are soothing but do not contain enough fluid to provide long-term help for severe dry eyes. Consider using sterile saline shown below as possible solution for the problems of cost and preservatives.

Sterile saline To avoid overpriced products, and preservatives, you can use 3-5 oz vials of 0.9% NaCl sodium chloride, which is sterile saline. Usually sold as children's inhaler for use in a nebulizer, sterile saline is prescribed by dry eye doctors as a source of moisture and eye flushing. Sterile saline contains only moisture for the eye, but is missing the oils found in natural tears. The extremely overpriced single-dose over-counter eye drops shown above might contain both moisture and oil. I use sterile saline for my particular condition. Available by prescription at pharmacy, 100 vials per box.  Or buy 0.9% NaCl without prescription online. Does not need refrigeration. Shelf life 2 years. The doctors at Baylor confirmed that the online and prescription versions of sterile saline are the same. Buy: Box 100  5 Ml vials .9% sterile saline or Box 100 3 Ml  vials or search for Addipak 0.9% sodim chloride

Sterile saline is portable. These vials do not have preservatives, but are safe to re-use throughout one day if tip of vial stays clean. Do not keep open vial of sterile saline more than one day. Clean out a prescription bottle with alcohol or alcohol wipes, and drop Sterile saline vial into bottle, making sure never to touch the tip. Carry extra unopened vials with you. Cannot be left inside a hot car, and must be stored at room temperature. I picked up this information from more than one dry eye doctor, and shared with other eye doctors that I encountered during my search for relief. Most doctors were extremely skeptical when told about sterile saline vials and typically insisted I buy over-the-counter saline with preservatives, saying the vials were for inhalation and not eyes.

Infection: Sterile saline vials will refresh the eye, but can also be used to flood the eye with saline to flush out potential causes of infection. Saline is NOT a treatment for infection, just a way to help prevent. I was told to squueze my eyes and flush with sterile saline 3 times per day, because dry eyes are prone to infection since natural moisture is not present to flush away everyday accumulation of particles in eyes. Avoid dusty, dirty and polluted environments. Eye squeeze Flushing eyes with sterile saline alone with squeezing eyes tightly together in a series of ten repetitions three times per day can help clear eyes, and prevent possible infection. This might also open clogged areas of eye that cause a lack of natural tears.

Infection: Steroid vs antibiotic prescriptions Steroids are a treatment for inflamed or swollen eyes. Some eye conditions cause both dry eyes and inflammation, but infections can also cause inflammation. Do not use steroids if infection is present. Evidence of infection is constant white discharge of pus from eye. See doctor. Any general doctor can diagnose and treat eye infection. Vigamox is an antibiotic used to treat eye infection. Using steroids during infection will make eye infection worse. Never use steroid or antibiotic without doctor consultation and approval. After infection clears up, then the inflammation can be treated with steroids. Pred Forte (not shown) is the strongest steroid at 1%. Zylet is the medium strength .5% steroid. FML and non-generics like Alrex are milder .1% steroids. Steroid use in eyes, or as a treatment for other illness, can cause cataracts. Severe dry eyes and other eye problems such as infection might inhibit ability to have cataract surgery. Flush eyes frequently with sterile saline to help prevent infection. I was fortunate that the eye inflammation in my case was on the outside of eye, and not inside the eye. The scleral lenses, shown below, that solved my dry eye problem also resolved the chronic inflammation and swollen eyelids caused by dry eyes.

Sterile Q Tips Sterile Q tips can be used to help clean eyes. These are single-use. After using a Q tip for both eyes, the Q tip must be discarded. Typical box contains 100, sometimes wrapped individually, or by twos or by tens. Leave unused Q tips inside the opened wrapper. Eye mucus vs infection ... General rule of thumb, mucus is stringy and not a problem, while infection is not stringy. Mucus is whitish or semi-transparent and gradually accumulates in eye. Infection is whitish or yellow, not stringy, and constantly drains from eye. Eye infection might give illusion that eye is producing more moisture, except the discharge is white-yellow and not clear like normal tears. A doctor must be consulted immediately if there is any suspicion that eye is infected. Eye specialist is not needed. Any doctor can diagnose eye infection, but your eye doctor should be notified and perform a follow-up. Buy: Sterile Q Tips

Plugs. Treatment options can include plugs or sealing lower puncta, which is a tear duct or drain opening located in the corner of each eye nearest to nose. Plugs are inserted to stop moisture from draining from eyes. Plugs do not always remain in place, and might need to be reinserted. The puncta can be permanently sealed with a quick-n-sharply-painful heat treatment by eye specialist. The long wait time to see a premiere specialist is lesson to act immediately when signs of serious dry eye appear. Older people are prone to dry eyes, including post-menopausal women. Computer use and eye strain can contribute to dry eyes. People with certain diseases, such as Rheumatoid Arthritis that can destroy the tear-producing lacrimal gland, should be vigilant and seek help as soon as possible. Picture source: Dryeyezone

Prokera is available at some eye clinics and will repair damaged cornea. Severe cases of dry eye can cause 'scraping' marks across the cornea, or simply cause the cornea to 'melt' away. The cornea is the covering over the center portion of eye. Cornea damage can result in blurred vision, sensitivity to light, and blindness. Severe damage can be irreparable. However, there is an expensive treatment, often covered by insurance. Retina specialist  deals with interior of the eye, but can also treat other eye issues. Cornea specialist can install a PROKERA® in the eye to restore cornea if the facility offers the service. Prokera is a thin plastic ring with a membrane stretched across the center, as shown in simulated image. The prokera is set into the eye, and the eye is taped shut for one week. The body then repairs the cornea. When finished, the doctor removes the plastic ring. The Prokera specialist told me that 'prokera in a bottle' was being discussed at a meeting with other eye doctors. She thought it might provide relief for more serious conditions, but in 2016 the product was elusively unavailable without literature or internet reference. I asked the doctors at Baylor about 'prokera in a bottle' and was told that the blood tears, or autologous serum eye drops, mentioned below was the same. The prokera must be kept in a freezer at very low temperatures until needed. The expense and risk of storing prokera might make it difficult for some eye clinics to offer the service. Severe dry eye patients can 'burn' through the prokera in 1 day, requiring repeat applications. My condition caused me to burn through 7 prokera, each in 1 day. My cornea was restored and light sensitivity dropped to zero. My eyesight returned to 20-30, but the treatment did not solve the problem of dry eyes. Before receiving the prokera, the doctor said my cornea looked like it had scrapes over the surface. Shortly after treatment I could see well enough to assemble the dry eye glasses, shown lower on page, by opening one eye at a time for a few seconds.

Blood tears/ Serum eye drop SED Research shows that 'blood tears' or autologous serum SED eye drops help dry eye conditions, such as sensitivity to light, dry eye and other eye problems. The cost of this is very high, and generally not covered by insurance. Study and risks pdf   SED eye drops are made from your own blood. A blood test is done to ensure no infection and that your blood is suitable for the serum. Several (7) large vials of blood are drawn from your arm, then processed into what they said was a '3-month spply' (480 tiny drops) of serum divided into small vials as shown in photo. The serum contains no preservatives, and must be stored upside down in freezer for no longer than 6 months.  An individual vial is removed and stored upside down inside a purple-colored container that comes with the serum. The individual vial can be kept unfrozen in the refrigerator for 7 days. Each vial of serum supplies 14-15 tiny drops, which yields exactly 1 drop per each eye per day for 1 week. I use 1 drop per eye per day to hold down cost. (14 drops per week) 2-4 drops per eye per day are recommended (28-48 drops per week). According to dry eye specialist, using more drops multiply the success (and expense) of treatment. Do the blood tears help? Research says yes. I started receiving this treatment shortly after discovering the scleral lenses shown below that helped cure my problem, and have not experimented with eliminating blood tears for fear of worsening my condition. However the price increased 20% last time drops were purchased. Aside from high cost and risk of freezer malfunction, the blood tear vial is so soft, it is easy to squirt out contents with one squeeze. Care must be taken to administer only 1 drop. People with disabled or shaky hands or bad eyes will find the task difficult. Baylor School of Medicine in Houston, Alkek Eye Center, is a source for autologous serum. 713-798-6100 Some compounding pharmacies can make a non-autologous 'blood tear' or Allogeneic SED called Albumin, that uses a blood source other than your own. This solves several problems including high cost. I changed from autologous to non-autologous because of cost. I currently pick up my prescription of non-autologous Albumin 'blood tears' at Compounding Corner in Sugar Land TX 281-494-7777. They ship within the state of Texas. Requires prescription. As of Sept 2018, ''no double-blind randomized trials are known to detect a difference between allogeneic SED or autologous SED." October 2018, I switched from autologous blood serum from Balor to the generic non-autologous blood serum from Compounding Corner. The vials are much less expensive. According to compounding pharmacy, you can thaw 1 vial for 10 minutes before use, and then re-freeze. Or product will last 48 hours in refrigerator if not re-frozen. My experience shows there are 60+ drops per vial (pictured). If one drop per eye per day is used, then 3 vials should last 90 days or 3 months.

Scleral lenses saved my eyesight Lenses help some people with dry eyes but not all. People with eye injuries or surgeries might also benefit from scleral lenses. Pictures on left show the scleral lenses that solved my severe dry eye problem. The Scleral Lens is a large convex-shaped lens that fits against the eye, and then bulges out in the middle slightly away from the eye. The lens is filled with sterile saline and then placed in the eye, where the saline stays in place until lens is removed. Each lens is carefully fit to the individual eye by an eye doctor, not an optometrist. Not all eye doctors have the training, or are familiar with the lens. The lenses are expensive and not always covered by insurance. Lenses last 1-2 years before replacement is needed due to scratching, and changing eyesight. The careful fit holds the pocket of sterile saline against the eye while keeping the lens from slipping off. In addition to providing moisture, the scleral lens is made to prescription like a regular contact lens for vision correction. Scleral lenses do not fall out or pop out like ordinary contact lenses. Even leaning over and doing strenuous work will not cause them to come out. Rubbing eyes can dislodge the lens slightly, letting sterile saline out and creating a bubble that will completely obscure vision. Dr Yee in Houston Texas fit my lenses over a series of sittings. Several other 'dry eye' doctors were unable to find a solution for my dry eyes despite 7 Prokera that restored the severe corneal damage caused by months of extreme dry eyes. A month after getting scleral lenses from Dr Yee, and after 5 month wait for appointment, we finally got in to see Dr Pflugfelder, the premiere dry eye specialist in the world at Alkek Eye Center in Houston. We were fortunate to live within an hour's drive, but people fly in from around the world to receive help. He confirmed that scleral lenses help 90% of people with my specific dry eye condition caused by Rheumatoid Arthritis and other factors. My brother in law had his lenses made at the Optometry School at Indiana University in Bloomington. His condition was due to other causes, yet the scleral lens gave him same positive result. Despite doctors saying lenses cannot be worn at night, my brother-in-law wears the scleral day and night, removing briefly to clean in the morning. I have also worn the lens at night by mistake, and concluded that taking a nap with lenses on eyes is not a problem for me. Lenses should also be removed when taking shower, and of course wear safety glasses when working with tools etc to prevent damage etc. Any ulceration or infection requires removal of scleral until eye has healed. Severe cough or exertion while wearing lens might rupture blood vessel in the eye, which usually repairs itself in a week or so. Baylor School of Medicine in Houston, Alkek Eye Center, does the scleral lens and is leading research institute for dry eyes in the world. 713-798-6100 The following link might have useful list of scleral fitters: Scleral Lens Education Society Recently, a local chain of optometrists started offering affordable sceral lenses, but did not have a wide range of fitting options, such as larger diameter, deeper pocket for sterile saline etc as some fitters. Buy: Scleral lens insert plunger Plunger for removing scleral lens

Sterile Saline is used to fill the scleral lens: My wife took this photo of me filling lens with sterile saline prior to inserting lens into eye. The saline fits against my cornea all day, and my latest eye exam showed my cornea was 'clear as crystal.' Amazing result. To insert the scleral lens into eye, the lens is cleaned throughly two times using contact lens cleaner and rinsed with sterile saline, then placed on a contact lens inserter. The lens is filled with sterile saline. The person leans head forward and lifts lens into the eye using the inserter while fingers on other hand hold eye wide open. People with disabled or shaky hands, back or neck problems might find the task difficult. Stabilizing the hand against table and lowering head to meet the lens is possible solution for shaky hands. The sterile saline stays in the bulged-out pocket of lens, which keeps center of eye covered with moisture. Lenses are removed and cleaned as needed each day using a small plunger (with tiny suction cup) that you stick on edge of lens. According to doctors, the scleral lens is not worn at night. Remove lens before using Restasis, Xiidra, or steroid. However, eyes can be flushed with sterile saline with lens in place. You can buy 0.9% NaCl sterile saline online. But to getting a prescription from an eye doctor, you might encounter befuddlement by 'professionals' who are unfamiliar with sterile saline used as an eye moisturizer. ... yet paradoxically, recommend small overpriced, over-the-counter bottles of saline with preservatives ... despite knowing that preservatives are hard on dry eyes. If you mention not wanting preservatives, the 'professional' often recommend small, very-overpriced, over-the-counter bottles of eye drops without preservatives. You need to insist on 3-5 oz vials of 0.9% NaCl sodium chloride, 100 vials per box. The box will say it is used as nebulizer for children, but it can also be used for dry eyes: contact a doctor on the scleral fitters link to confirm this information

Image shows plastic box I use for scleral lens. I have extra box with supplies in the car if the lenses need to be removed or cleaned. When putting lenses in or out, the mirror is set on lap to help. At night, my lenses are stored in the blue lens case filled with lens cleaner. I place the plastic box next to bed, so if emergency requires exit from home, I can grab the lenses and preserve eyesight. The lens case is rinsed out each day using sterile saline, and replaced with a new lens case once a month. Each lens has different fit, so keeping the right and left separate is important. The right lens is marked with a black dot, or one lens is tinted and other is not. The clearly identified blue-white and green-white cases are best choice. Buy: Lens case

Sleep mask Wearing a tight-fitting sleep mask might help some people with dry eyes. There are many types, but the brand that we found fit best was Magellan. Other brands fit loose or didn't fit shape of face very well. None of the local stores had anything that helped. Wash a sleep mask periodically by soaking in distilled water and vinegar for an hour. Buy:  Sleep mask

All the commercially-available dry eye glasses recommended by eye doctors were designed as a wind-break or partial protection from drafty conditions. NONE fit tightly around my eye or held in the moisture. Costing $100+ each, they did NOT fit tight against face except across the top. The sides were open, offering a wind break along the side but not a complete seal. The commercially sold dry eye glasses will help many folks, and do not fog up as badly as a tight-fitting design. The commercial glasses are available at the some optical stores, but not at the big box store operations. The dry eye doctor can recommend a source. Dry eye glasses with 'side shields' Side shield glasses More than 1 person suggested swimming goggles, which would work, but could not be worn in public. The following innovations were discovered by my wife and I over the course of several months before finally discovering the Scleral lenses that actually restored my eyesight.
	Lab glasses or construction safety glasses are a good way to hold in moisture. Advantages: cheap, widely available, space for regular corrective glasses underneath while no other pair we discovered allowed that. Disadvantages fogging over, short strap for head,  tight fit, sharp edges that cut into face, poor seal on outside edges, cannot wear in public. Buy: Lab glasses/safety glasses
	Soak glasses to clean: use a half-cup of vinegar or a few drops of clorox mixed with distilled water.
	This is a concept for attaching humidifier to the safety glasses. The humid air would travel up the plastic tubes and puff moisture into the glasses, thus keeping the eyes moist. I never finished the project because I found the solution shown next, and because my eyes were so bad by this time that I could only keep them open a few moments at a time. This left me without ability to innovate the humidifier plan. The humidifier could be plugged into a twin timer to turn humidifier on-and-off at specific intervals say every 15 minutes or every half hour etc. I want to present this project as an option for future development by somebody else. Resource: How to wire twin timer

Dry eye glasses that work !!!!

Final result: DeWalt safety glasses with rubber cushion. These glasses were altered to seal completely around eye and hold in moisture. Some people may discover these glasses work fine for dry eyes, without alterations shown below. More than one eye doctor told me I probably would have gone blind without them. My cornea would have totally melted away. Each doctor was impressed with the glasses yet none took note. It was disappointing that specialists in the field would remark that the glasses saved vision, yet none appeared interested in forwarding the information to next person. Each of them sold or recommended the commercially made glasses that served only as an air shield or wind break. I'm sure they had reasons, and my extreme dry eyes were rare, but they told me that dry eyes are a real problem for people. Buy:  DeWalt Safety Glasses

My wife discovered DeWalt glasses with rubber cushion at the local home center. They fit pretty good to begin with but there were gaps around the edges that allowed moisture to escape. Using Liquitex heavy gel and carefully fitting the glasses around the eye I was able to make a good seal around my eyes These have a slight tint. Doctor recommended glasses without tint so eyes become less sensitive to light. Buy:  DeWalt Safety Glasses

To begin alterations, put glasses on and check how they fit. For me the gaps were along the bottom and along the outside edge. The rubber can be pulled up from plastic frame. I used 1" long 8-32 bolt as spacer. Insert spacer, put glasses on, and then use eyes to see the gaps. Slide the bolt until the rubber touchesemove glasses carefully with the spacer in place Buy liquitex matte super heavy gel

	The next step is to fill the gap made by bolt with matte finish heavy body gel. The gel, sold online and at art supply stores, is commonly used for architectural models and art projects. Super durable and strong, this is great adhesive for paper and cardboard projects. Thin applications of the gel dry very quickly and eliminate need to support pieces while waiting for white paste or other glue to dry. The dry eye glasses alterations shown here require a thick layer of gel, which takes overnight to completely dry. Buy: Matte finish heavy gel from Liquitex Matt finish from Golden
	Apply piece of tape behind the spacer so it does not fall over. Put this piece on first and do not remove when other tape is pulled off. Cover both the rubber and plastic frame with tape. Apply tape carefully so only the gap is open. Once tape is in place, use finger to apply the gel. The gel dries fast on your finger. Keep paper towels or damp sponge handy. Make sure the bolt is not surrounded by gel or it will be difficult to get out later. Buy: Matte finish heavy gel from Liquitex Matt finish from Golden
	Once the gap is filled with gel, immediately pull off tape but leave the spacer bolt. Leave a piece of tape to hold the spacer bolt.
	After the tape is removed set the glasses on a shelf where they cannot be disturbed overnight Buy: Matte finish heavy gel from Liquitex Matt finish from Golden
	Adhesive has dried fully overnight without shrinking. Notice the white gel has turned into a semi-clear color. This means the gel has completely dried and become very hard. It is now okay to remove bolt and handle glasses without affecting the work done so far.
	Continue fitting: Move bolt as needed so glasses touch against face.
	Add tape so only gap is visible Images below show continuation of project: Apply gel to fill gap, remove tape, leave bolt in place, let gel dry overnight. The process is repeated until glasses fit the shape of face. The result will be a damp and foggy environment surrounding eye. Before getting scleral lenses, I wore the glasses every moment of the day, and made 4 pair, cleaning the unused ones with alcohol wipes before use. Currently, I wear the glasses whenever the scleral lens is not in my eye.
Image shows finished pair of glasses (bottom) and a new pair (top). The finished pair has gel between frame and rubber cushion that pushes cushion toward face. The finished pair of glasses touches my face around the entire frame, making a moisture seal. Many folks may discover that the new pair of DeWalt safety glasses hold in enough moisture, without adding the gel. The lens of the glasses is made of plexiglass that has a surface coating. The surface coating can be damaged by soaking in diluted vinegar or other substance. The glasses will get dirty. I clean with alcohol wipes. Another issue is longevity. The lenses will get dirty and/or scratched. You might need another pair within a couple months. The plastic frame is not robust. I've used mine for months, and am careful not to bend the frames. The strap is held onto the frame using 2 pieces of plastic that tend to slip and eventually break. Overall, these safety glasses are designed to be re-purchased periodically.
The DeWalt safety glasses can be worn in public without a lot of notice The following is a concept idea for prescription dry eyeglasses that fit tight around face The problem with glasses shown above is they are not vision corrective, nor can you wear glasses. The following concept is a possible path for solving problem in the future. The glasses would be prescribed and lenses cut. Your head would be placed into a stabilizing support. Frames would be test fit onto the face just like ordinary glasses. Once the frames fit in the correct position, a laser would measure the exact shape and location of the frames across your face. The frames are removed and laser makes a second measurement of your face without frames. The two laser measurements are compared. Additional material is added to the frames so they touch against face, forming a moisture seal. The prescription lenses would correct vision, the glass lens could be cleaned, and frames would be robust enough to endure daily usage. Weight gain or loss could affect fit, and I suspect the product would be immensely more expensive than DeWalt solution offered above. Maybe DeWalt could build a design that allows insertion of glass lens. I considered cutting away the plexiglass lens on the DeWalt and gluing regular eyeglass lens over the opening.

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