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Has anyone actually cheated an eye acuity test?


Jiac
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So recently I suffered an eye injury and got diagnosed with Traumatic Iritis. Inflammation stopped and now seeing a glaucoma specialist in which I am in risk of it. Currently with Traumatic Mydriasis and Angle Recession. I've had many eye check ups and miraculously still have 20/20 vision on both eyes.

Anyways has anyone actually cheated an eye test using the Snellen Eye Chart. Just pure curiousity.

[spoiler=Snellen Eye Chart]

640px-Snellen_chart.svg.png

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Generally speaking we randomise the charts and they're different at every practice and between programs so you can't cheat with them. Most practices now use logMAR charts, anyway. Snellen is considered to be long outdated and less accurate.

OP, continue to get your eyes tested long after this incident, and get your intraocular pressures routinely checked. The danger of glaucoma is not to your visual acuity but to your peripheral vision and you won't notice that until a significant amount of damage is done.

Edited by Agro
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I think I ended up cheating it from memorization once. My glasses were headache-inducing awful to the point where I stopped using them till my next eye doctor appointment.

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Generally speaking we randomise the charts and they're different at every practice and between programs so you can't cheat with them. Most practices now use logMAR charts, anyway. Snellen is considered to be long outdated and less accurate.

OP, continue to get your eyes tested long after this incident, and get your intraocular pressures routinely checked. The danger of glaucoma is not to your visual acuity but to your peripheral vision and you won't notice that until a significant amount of damage is done.

Yah my IOP is between 24-30 as of right now. Normal is 18-21 and below iirc.

Thankfully my risk of glaucoma is severely reduced due to my eye being treated 4 hours after the incident. And my optic nerves haven't been affected. They're only waiting for my eye to heal due to the bridge where liquid enters the lens of the eye has been damage. I have to take Timolol and Dorzolamide for the time being. Also my pupil has been dilated since the incident, is there anyways to make it constrict?

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There is, but it'd be with another prescription eyedrop (likely pilocarpine) and you want to keep them dilated in order to prevent synechiae (iris sticking to cornea or lens) forming--these are extremely painful and only cause complications later. Once you make a recovery and bring the IOPs down your pupils may return to being normal sized. Until then you'll probably just have to deal with it.

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