[Lex Computer & Tech Group/LCTG] self measuring eyeglass prescriptions

Sun May 14 15:57:24 PDT 2023

Left out of these interesting comments are glaucoma, peripheral vision (can be assessed by machine), and inspection of the retina and other parts of the eyeball.  Inspection of veins in the eye can give information about atherosclerosis.

    – Mike Alexander

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On Sunday, May 14, 2023, 2:58 PM, Ted Kochanski <tedpkphd at gmail.com> wrote:

I think the method of defining the parameters for eyeglasses --  as in the case of most things medical -- are stuck in the pastThe way to evaluate your eyesight should be to have a computer generate a whole bunch of images with your response to each image diagnosing an increment of ones vision -- after a pleasant? half hour or so --  a very complete survey of ones vision can be completed in the form of a "video game"
Te computer can then recommend the prescription which could be ordered on-line and further recommend that you should see an ophthalmologist if relevant
This is real opportunity for an entrepreneur although I'm sure the medical establishment will do everything in their power to prevent it succeeding
Ted

On Sun, May 14, 2023 at 1:39 PM S Ou <shukong at gmail.com> wrote:

Hi Steve, I've just recently had my eyes checked and got a new prescription. And oddly I have a few minutes to write a response! 
The lens measurements were a small part of the eye doctor handled - he 1) inspected the cataracts in each eye and was able to characterize them and explain my recent vision issues - the one on my left is small but centered so in bright light with pupils narrowed, the effect of the cataract is worse than in normal or low light when the pupils are more dilated and it's a smaller part of the overall light scenario.2) used a scanner to examine the layers of rods, cones, and other stuff through the back of my retinas, and confirmed that there was a little change but otherwise stable from last year's images and the year before.3) checked for glaucoma and other potential organic issues
What I'm saying is, the eye exam is much more than getting the correct focal length on your lenses.  Even if you got a set to verify your diopter, other issues like astigmatism and other adjustments might be better left to people who went to school for this.  But if there is a kit that does measure all these parameters, that would be cool. The basic elements of a prescription are explained here https://www.perfect-eyeglasses-guide.com/eyeglass-prescription.html 
The final straw is this:  when you order online, for example at https://www.zennioptical.com/  or https://www.39dollarglasses.com/ part of the ordering process is to upload a photo of your prescription.  By the way, there is a measurement for inter pupillary distance  (P.D.?) that you might have to request from your optometrist and might be different from left to right eye (sometimes they don't get written down).
I am now a firm believer that a good eye doctor who has past years records and images of your retina is a valuable baseline to have. Plug here for Winchester Optical (Main St, WInchester) - Dr Deering is thorough and caring.

Best of luck -- I strongly support doing things for ourselves whenever, but your eyes are very important.If you do get a set, that would make a great talk!   In-person double check of your prescription. 

On Sun, May 14, 2023 at 11:14 AM Steve Isenberg <smisenberg at gmail.com> wrote:

Gentlepeople,I’m thinking of getting a optometrist lens set so I can measure my vision and fine tune my eyeglass prescription.  I’m thinking of the old type, where you wear a frame and the doc inserts different lenses, asking is A or B better, etc. 
Any thoughts on what I’m thinking?Do you know of a lens set I could get for free or low price?Have you done or considered doing anything like this yourself?
Thanks,-steve ===============================================
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