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Here, Let Me Just Flatten Your Cornea For a Minute
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Wednesday, June 6, 2007
9:44:00 AM EDT
Hearing Fisherman's Blues -- The Waterboys
For those of us who wear glasses, this is an interesting article: A kind of contact lens that corrects your vision while you sleep, so you can walk around all day without contact lenses or glasses:
When I arrived, David Thomas, an optician with more than 30 years of experience and an Ortho-K user himself, ran me through the basics of the treatment. "Ortho-K is similar to an orthodontist using a brace to straighten teeth," he explained. "We take extremely accurate and detailed measurements of your eyes. We then have a pair of hard contact lenses made up with a curvature calculated to squeeze each eye gently in the right places to correct a range of short-sighted and astigmatic prescriptions."
Thomas went on to explain that short-sighted people's eyes are too powerful, focusing light before it reaches the retina. Ortho-K works by flattening the cornea, making it a less powerful lens. After the Ortho-K lenses are taken out in the morning, the eye slowly returns to its myopic state. But this typically takes a whole day - and for some users, two days - before the world turns blurry again.
There is even some evidence that the lenses slow down the deterioration of vision. Ortho-K is also thought to have the potential to slow the rate of or even banish myopia in children.
Interesting. I don't mind my glasses, actually (my daughter is so used to them that she says I look weird when I don't have them on), but I wouldn't mind going without them, either. That said, were I or anyone else to get these, I would still carry a pair of glasses in a jacket pocket. Just in case my corneas popped back into their usual myopic shape too shoon.
Does this sound interesting to you?
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9:44:00 AM EDT
Hearing Fisherman's Blues -- The Waterboys
Here, Let Me Just Flatten Your Cornea For a Minute
For those of us who wear glasses, this is an interesting article: A kind of contact lens that corrects your vision while you sleep, so you can walk around all day without contact lenses or glasses:
When I arrived, David Thomas, an optician with more than 30 years of experience and an Ortho-K user himself, ran me through the basics of the treatment. "Ortho-K is similar to an orthodontist using a brace to straighten teeth," he explained. "We take extremely accurate and detailed measurements of your eyes. We then have a pair of hard contact lenses made up with a curvature calculated to squeeze each eye gently in the right places to correct a range of short-sighted and astigmatic prescriptions."
Thomas went on to explain that short-sighted people's eyes are too powerful, focusing light before it reaches the retina. Ortho-K works by flattening the cornea, making it a less powerful lens. After the Ortho-K lenses are taken out in the morning, the eye slowly returns to its myopic state. But this typically takes a whole day - and for some users, two days - before the world turns blurry again.
There is even some evidence that the lenses slow down the deterioration of vision. Ortho-K is also thought to have the potential to slow the rate of or even banish myopia in children.
Interesting. I don't mind my glasses, actually (my daughter is so used to them that she says I look weird when I don't have them on), but I wouldn't mind going without them, either. That said, were I or anyone else to get these, I would still carry a pair of glasses in a jacket pocket. Just in case my corneas popped back into their usual myopic shape too shoon.
Does this sound interesting to you?
Written by johnmscalzi Blog about this entry |
Add to del.icio.us | digg this
This entry has 4 comments: (Add your own)
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I smoke a lot of weed, and just squint a lpt.
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I got my eyes lasered and I love it.
I'm not scratching my glasses, or losing them, or getting them stolen by two year olds who like shiny things.
It's painless, and well worth the investment.
I'm 20/12 now in both eyes. -
Actually, it sounds a bit scary to me! Something about squeezing your eyeball into shape just seems a bit off to me.
I'm much more likely to get my eyes lasered. Cutting my cornea seems much more likely to work. And scare people. There's that part that appeals to me too...
6/7/07 4:09 AM