We see with our eyes, right? Surprisingly perhaps, but the answer is "No." We see with our brain, the part with the most neuronal connections, by the way. The Occipital Cortex is dedicated to assembling the most useful virtual image of all that sensory data coming...
If everything goes well, there is really not much difference at all in the safety or visual outcomes. All LASIK involves 2 steps: 1) Cutting a very thin flap from the surface of the cornea, and 2) removing some of the underlying cornea in a precise manner so...
It shouldn't keep progressing really. There are a number of things that your ophthalmologist would want to know to determine the cause. One (which LASIK patients seldom remember) is: How much myopia was treated at the time of your surgery in diopters (your glasses prescription)? This is important...
If everything goes well, there is really not much difference at all in the safety or visual outcomes. Do you have trouble seeing at night? Night vision problems, such as trouble adjusting different light conditions, are called night blindness. WebMD explains that night blindness can be caused by...
Irregular astigmatism is by definition any astigmatism not correctable with a spectacle lens. [This assumes the spectacle lens is spherocylindrical which almost always the case.] It is usually caused by asymmetrical irregularities of the corneal surface. A contact lens, however, seated on the eye over the cornea, can...
