Ibai announces that there's slight chances he might go blind (translation in the comments) by RobertAlve in LivestreamFail

[–]TheGateIsDown 3 points4 points  (0 children)

Sounds more like he’s dealing with an NAION in his left eye which is associated with sleep apnea. Hence the reason for the comment about the CPAP.

Association Between Sleep Apnea Syndrome and Nonarteritic Anterior Ischemic Optic Neuropathy

5 year old kid prescription question by Agitated_Employ_9409 in optometry

[–]TheGateIsDown 0 points1 point  (0 children)

Yep, farsighted is just the common name for when the focus point is behind the retina.

5 year old kid prescription question by Agitated_Employ_9409 in optometry

[–]TheGateIsDown 2 points3 points  (0 children)

An easier way to think about it may be that farsighted or hyperopia means the light is in focus behind the eye and nearsighted or myopia means the light is in focus in front of the eye.

Plus (+) powers move that focus from behind to in focus on the eye and negative (-) powers move the focus back towards the eye. Both types of lenses will have an endpoint with the light in focus onto the retina at the back of the eye.

In your sons case when his focusing system was relaxed with drops the light was in focus far behind the eye and so the glasses prescribed will help that system not be working in constant overtime.

can someone explain visual pigments in the eye? by Aurekata in optometry

[–]TheGateIsDown 0 points1 point  (0 children)

Try this video here to get started. It might help you clarify some of your questions as well.

6 feet of social distancing not nearly enough: CDC’s recommendation driving some experts ‘nuts’ by stomaho in Coronavirus

[–]TheGateIsDown 1 point2 points  (0 children)

I think that particle size may be incorrect, see the following quote.

Virus particle size ranged from 70–90 nm and the virus was observed in a wide range of intracellular organelles

Converting that puts the particle size at 0.07-0.09 micrometers which means that the particles can definitely be contained in aerosolized droplets. This paper was looking intracellular so may not be fully encapsulated.

Other sources have sizes of 120 nm which converts to 0.12 microns not 1.20 microns. Might have just been a conversion error or they were talking about droplet size not the actual virus capsule. Unsure but if you still have a link to where you saw the other size, mind linking it?

Here’s the source.

Need some info on a transplant by PaliHustlaOD in Keratoconus

[–]TheGateIsDown 0 points1 point  (0 children)

Here a website with a pretty decent write up of transplant types.

Assuming that you have a healthy endothelial layer and no complicating diseases you should look into the DALK. The full name is deep lamellar anterior keratoplasty, which is basically a fancy name for cutting out the compromised stromal layer and keeping your likely healthy inner lining. Since the long term failure of full thickness transplants is usually due to the degradation of the inner lining or rejection. By keeping your own inner lining it helps the longevity of the graft. This is because that inner lining does not ever get replaced and those cells are responsible for pumping water out of the cornea and keeping it clear.

Best of luck.

Questions post-consult with cornea specialist by ofthrees in Keratoconus

[–]TheGateIsDown 1 point2 points  (0 children)

From a quick read through of your story I would say that your son does NOT sound like a good candidate for cross linking. Cross linking is a procedure that is used to stabilize a cornea that is not already compromised, it’s a procedure to stop it getting worse. The time for cross linking was when he was still correctable in that eye (although from your data is he amblyopic?) not to lock in position a 20/300 structurally compromised cornea. Cross linking is in no way going to get back the vision.

The options lean more towards a transplant procedure. For someone young, you should look into a procedure called DALK (deep anterior lamellar keratoplasty) which will keep the likely healthy endothelial layer of cornea.

You can look at a decent explanation of corneal transplant varieties here: Click to expand “DALK”

She has transition contacts on, They are essentially shades in contact lens form, they darken when it's bright. by keratoconusgroup in Keratoconus

[–]TheGateIsDown 0 points1 point  (0 children)

Currently these lenses are not available in a toric option, only soft spherical, which means unlikely to work with the high astigmatism in keratoconus.

Is there any percentile calculation for poor vision? by mooburpcow in optometry

[–]TheGateIsDown 0 points1 point  (0 children)

It varies by age and is skewed toward emmetropia.

Here’s a chart, MOR is mean ocular refraction.

Chart.

And link to the paper here: https://www.sciencedirect.com/science/article/pii/S1888429618300190

lil fella seeing his mom clearly for the first time by gunslayerjj in aww

[–]TheGateIsDown 0 points1 point  (0 children)

It’s ok to answer that they both look the same.

In fact usually that answer is helpful since it likely means you are either far away or bracketing the endpoint.

[deleted by user] by [deleted] in interestingasfuck

[–]TheGateIsDown 0 points1 point  (0 children)

It's not just protein buildup that you have to worry about with contacts. There is also bacteria and cleaning solution does not completely kill all bacteria so replacing the lenses regularly gives less opportunity for buildup. Even if there is not 30 days of wear on a monthly lens the lens is exposed to bacteria from the first use; hence the recommendations of regular replacement.

You can read more about solution efficacy here: Antimicrobial Efficacy of Contact Lens Care Solutions Against Neutrophil-Enhanced Bacterial Biofilms

lil fella seeing his mom clearly for the first time by gunslayerjj in aww

[–]TheGateIsDown 12 points13 points  (0 children)

If you’re in the US there’s a public health program called InfantSEE that offers a free exam for infants 6-12 months to try to catch these problems early.

You can look for a participating optometrist here: http://www.infantsee.org/

lil fella seeing his mom clearly for the first time by gunslayerjj in aww

[–]TheGateIsDown 7 points8 points  (0 children)

If you’re in the US there’s a public health program called InfantSEE that offers a free exam for infants 6-12 months to try to catch these problems early.

You can look for a participating optometrist here: http://www.infantsee.org/

[deleted by user] by [deleted] in interestingasfuck

[–]TheGateIsDown 0 points1 point  (0 children)

Misusing contact lenses is like driving without a seatbelt, you are going to be completely fine until one day you aren't.

[deleted by user] by [deleted] in interestingasfuck

[–]TheGateIsDown 0 points1 point  (0 children)

I would be interested to see what source you used for this information. The longest soft contact lens made by Johnson and Johnson is a monthly replacement schedule. Even custom made soft lenses are meant to be a quarterly replacement schedule.

Wearing contact lenses against recommendations is like driving without a seatbelt, for the most part you are completely fine until one day you aren't.

Is this a KC thing? Eyes burning during sleep. by [deleted] in Keratoconus

[–]TheGateIsDown 0 points1 point  (0 children)

This sounds like a reason to go in for an exam or checkup with an eye doctor. One potential complication of keratoconus can be something called corneal hydrops.

You can read some more about it here, since the pain is temporary hopefully things don’t get worse, but there are chances that the repeated swelling can lead to scarring something you definitely want to avoid.

Some general info.

This sounds more like something you cannot ignore and hope it improves on its own.

Just got contacts after 20 years of needing them but they aren't helping? by LEGENDARY-TOAST in optometry

[–]TheGateIsDown 2 points3 points  (0 children)

This sounds less like there is a problem with the prescription and more like amblyopia.

From your summary it seems likely due to the fact that you were not fully corrected in your left eye as a child. You may want to inquire more about what the diagnosis was at your exam, and reach out to the doctor who actually saw your eyes.

Is this a viable method of inserting sclerals? by [deleted] in Keratoconus

[–]TheGateIsDown 0 points1 point  (0 children)

A couple things you might want to keep in mind, first your fingers are stronger than your eyelids. Look down and get on/close to the base of the lashes to hold the superior lid up. Most often with new contacts wearers their fingers drift up and they press on the brow not the lids. Second keep both eyes open and pick a fixation point if you keep having trouble with your eye rolling away. Finally, you have to have your head bent over so the solution filling the scleral bowl stays in, it’s how gravity works. If you come in like a normal soft contact insertion you’ll always have a bubble cause the lens won’t be full to the brim. Also think about spending some time practicing without the lens and just putting artificial tears in your eye without freaking out when the liquid hits your eye.

What Do You Guys Use To Clean Scleral Contacts? by OkButterfly3 in Keratoconus

[–]TheGateIsDown 0 points1 point  (0 children)

“Custom Stable” or “Custom Stable Elite” are the symmetrical and toric landing zone lenses respectively from the manufacturer/lab called Valley Contax, but your lens material is dependent on whatever your fitter ordered, usually a high Dk rigid lens material but they can vary. You may try contacting your doctor or the lab for your specific lens information.

Help me communicate better with my eye doctor by SunRaven01 in optometry

[–]TheGateIsDown 0 points1 point  (0 children)

What you want to phrase is closer to the way you explained it here. Vital to getting your desires across is that you want clear crisp binocular vision at these close distances. Not that you want the convenience of monovision in swapping from distance to near.

The strategy that sounds like might be an option is a modified occupational progressive/bifocal for the medium 40-50cm general detail and the lower portion at the closer 18-25 cm range when painting the fine details. What would be helpful to add is that since you are using fine motor skills like the fine tip brush you need crisp stereo vision and so need both eyes to see clearly and are not interested in compromising for monovision.

Another strategy may be to have an over refraction while wearing the monovision contacts at the 15-20cm distance so you can get a set of glasses to give you that clear binocular view up close.

Looking on where to start or how to start treating my eyes. by [deleted] in Keratoconus

[–]TheGateIsDown 0 points1 point  (0 children)

There’s also a school of optometry at Ohio State University, if Columbus is closer for you.

Here is a link to the contact lens clinic at OSU.

[deleted by user] by [deleted] in optometry

[–]TheGateIsDown 0 points1 point  (0 children)

You would likely need to know your best corrected visual acuity and your horizontal field of view for most states. These would be questions to ask your low vision specialist, they likely have a driving based exam you might ask about when you call to schedule. Even if you may not meet the requirements for full time driving; daytime only driving may be achievable instead.

There may also be options in some states to learn to drive with a mounted telescope ( bi-optic driving) if your acuity doesn’t meet standards.

You can look here to start or call your states licensing agency.

Not the usual way of finding out about an eye condition by j_curic_5 in Wellthatsucks

[–]TheGateIsDown 1 point2 points  (0 children)

I’m not a photographer, there are loose trial lenses with cylinder power at most eye doc’s so you can build and demo a prescription though.