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Optical Illusions

Optical IllusionsJust went to have my eyes tested, with interesting results (skip this if you have no interest in this topic). I’ve worn contact lenses for over 30 years to correct my poor distance vision – currently daily disposables. They have always been at 3.0 correction, but apparently my eyes have improved! I now need only 2.0 correction in my left eye and 2.5 in my right eye. I didn’t know that could happen.

I also wear one pair of glasses when I’m using a PC screen and a different pair when I’m reading print on paper or my phone. Both of these kind of anti-correct the contact lenses. Right now, I have no lenses in and no glasses on and I can see the PC screen pretty well (leaning forward a bit) and I can read tiny print on my phone perfectly.

My optometrist is now suggesting I try “monovision”: wear one distance correcting contact lens in one eye and that’s all. The theory is your brain automatically adjusts so that if you look at print close up the non-lens wearing eye does all the work, and if you look in the distance the eye with the lens does all the work. Doesn’t work for everyone, apparently, but the optometrist himself does and swears by it.

I’m going to try it. It seems bizarre that I can go from wearing two contact lenses all the time plus two types of glasses to wearing just one contact lens but it has to be worth a shot.

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