Instant scanning optical correction

[silverwolf0]

Okay the title is cheesy but I just have a simple question. I was watching a Chinese self-help commercial one day and they showed a little kid who needed glasses go to a doctor and get his eyes scanned. After a second or two his astigmatism, myopic correction, curvature, etc. were all on a computer screen. This was Hong Kong by the way. Do these things exist or am I out of the loop?

[Kwiz]

Umm... yeah. Isn't this the routine retinal scanning they do before a laser eye surgery?

[Riinuka]

This does exist, but it's so expensive... The machines aren't in many places near me. It's the ol' puff-of-air and watch-the-light test for me. xD

[jindojim]

I got to experience that eyescan when I went to an eyeglass shop in Seoul. Unfortunately, I don't think they got the prescription quite right, since the glasses I ended up with didn't help my vision that much. So, I visited an optometrist and got a much better prescription.

[ZaichikArky]

yeah. I find it hard to believe that an optometrist could get a precise prescription using a machine like that. I still don't think we're that technologically advanced yet. Maybe in a decade or so.

[silverwolf0]

From my limited knowledge I would think it is possible. Find something that can bounce off the retina and measure the length of the eyeball for myopia as well as off the eyeball itself to measure the curvature. I keep on thinking of dolphins for some reason. :knockout:

[charchar123]

I HATE THE PUFF OF AIR!... I cant do it. The stupid person did it to me 6 times and I couldnt do it. My eye was all red... I hated her.

[Riinuka]

I can't even sit still long enough for them to move the machine close to my eye. xD

[Pierrot le Fou]

At good glasses shops in Japan they do both -- they take the scan and then check it the other way to double-check. And they do it accurately apparently.

I wouldn't know, I have perfect vision. Ha-ha.