"PL" or "Pl" means "Plano." The easy way to understand this is to just think of "zero" when you encounter it in a glasses prescription or in any other assessment of refractive error and vision. Historically, lens grinders would have a blank piece of glass with...
What a great question! Why didn't all the nearsighted cavemen, with blurry distance vision, get eaten by saber-tooth tigers and other predators before they could reproduce? The answer is most likely that these conditions are largely acquired rather than purely genetic. Once a controversial theory, there...
If you only have one good eye, it is truly a scary decision to consider having an operation of any kind on the other eye. After all, there is no "back-up" should there be a serious complication. And nobody can tell you honestly there will...
A dilemma, isn't it? The one good thing about being nearsighted is that you can still see up close (at least without your glasses on) when you become Presbyopic in middle age. The reason for this is that with a myopic (nearsighted) eye being larger than normal, your default focal point...
The most common eye problems in America are refractive disorders. That means nearsightedness, farsightedness and astigmatism combined are to blame for most of the country's diminished vision. So what are these refractive errors? How can you prevent them? How do people live fulfilling lives with...
