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by wrycoder
1840 days ago
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I'm using Mac OS 10.15.7 I don't see any circles. As a general comment, this whole test procedure seems very crude. If I saw overlapping circles with my glasses on, like in some of your tests, I would say that my prescription was way off. A better prescription is necessary long before you get to that point. |
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I won't argue that the current test isn't crude. We're rolling out increasingly sophisticated versions with each update, but I agree that in its current state our exam has a ton of room for improvement.
I do have to mention that the 1) vision check (e.g. do you see 20/20 with you current/expired prescription) and 2) the eye health tests are two different portions of our exam and serve two different purposes.
These latter set of "low-tech" maneuvers (double vision, amsler grid, red desaturation) are very high-level screening mechanisms for more serious underlying issues and do not have much to do with the numbers on a person's prescription. To be more specific, the overlapping circles are meant to assess if someone is having double vision, which in a worst case scenario could be a symptom of acute cranial nerve palsy.