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You are right that visual acuity is not the sum total of measuring visual function in the eye. Eye charts are typically totally black letters against a bright white background -100% contrast. But the real world is mostly moderate to low contrast -browns against Grays;...

Because there are two different types of vision at work. Straight-ahead vision puts an image on the macula, at the geographic center of the retina. [The retina is the "film" in the camera analogy of the eye.]The macula is packed very tightly with "cone" photoreceptor...

With rare exceptions, you can reasonably expect it to be a quick, painless procedure that after a few days will result in noticeably better vision. All surgical procedures, no matter how routine, carry some risk and cataract surgery is no different. Scary as it may be...

It would be normal to expect that your vision with contact lenses or with glasses would be the same. But this is not the case! The distance between a corrective lens and the eye is a significant factor in a glasses Rx. This is rarely noticeable in low power prescriptions....

A cataract is the natural lens that has undergone age-related degenerative changes. So as a lens, it has a prescription, much like your glasses have a prescription. As the natural lens goes through the age-related degeneration that results in it becoming a cataract, the...

All laser vision correction procedures that work on the cornea will "weaken" it to at least some degree. The "trick" is to minimize any structural weakening of the cornea to an acceptable range while still achieving full correction of the myopia ( nearsightedness). There...

Not sure if your question is asking about SMILE in particular or just about laser vision correction in general. Fortunately, the answer is basically the same for LASIK, PRK, and SMILE. These procedures do not actually "make bad vision good" although that is indirectly...

I believe so. Assuming you have a normal eye exam and meet the FDA indications, the ICL is a safe and valuable alternative to LASIK in treating myopia and astigmatism. An experienced surgeon who has already climbed the learning curve is a good idea as well. Since the...