A viral tweet about astigmatism has Twitter users taking a second look at the quality of their eyesight. A recent tweet from user @UnusualFacts6 used two images to highlight what people see when they ...
Flora Hui works part-time in private practice as an optometrist. Angelina Duan works in private practice as an optometrist. The eye acts like a camera, capturing light through the front surface (the ...
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