Humans are extremely dependent on their eyes; aside from the blind, who adapt with a heightened awareness of other senses, we use our eyes constantly to gather an enormous variety of information. But many animals use other organs and senses to view the physical world...
While some contact lenses are designed to be worn at night, most are not. Sleeping in contacts that are meant for daily wear can lead to infections, corneal ulcers, and other health problems that can cause permanent vision loss. Contact lenses reduce the much-needed supply of...
Have you ever wondered what goes into making the lenses in your glasses? How does the eye clinic take the information from your eye exam and use it to create glasses that are perfect for you? Woodhams Eye Clinic uses top-quality lenses from Essilor; check out their video to...
"Floaters" are not caused by LASIK, PRK, or for that matter, IOL surgery for cataracts. Nevertheless, this can be a common complaint from patients. Why is that? The pinhole test uses a 1.0 mm hole in an opaque disk to determine how much of a visual...
"Floaters" are not caused by LASIK, PRK, or for that matter, IOL surgery for cataracts. Nevertheless, this can be a common complaint from patients. Why is that? Two reasons: 1) Patients can see better now, after vision-correcting surgery, things that were already there but not as...
There are actually extremely few recorded cases of a "blind" person getting back their sight. The most common situation (depending what one means by "blind")is when a person with advanced cataracts has them fixed with successful IOL (Intraocular Lens Implant) surgery. But for these people,...
Yes, it is. This is not so much a matter of how far you "push" the LASIK, though, it is about how well your eye has the potential to see. 20/20 is average good visual acuity, not perfect vision. Most young people can actually see better than...
Many people think that 20/20 means "perfect vision." But "20/20" really just means "normal distance vision." The number ratio we are all familiar with such as "20/20" or "20/40" or even "20/400" are measures of distance visual acuity, or sharpness. They do not give any idea of what...
I assume you mean a scar on the cornea of the eye. To a large degree a fibrotic scar can be removed with an excimer or femtosecond laser. But it depends on how deep the scar is and also how close to the line of vision...
Are you feeling stressed out? Most of us endure stress in our busy lives, and eye conditions from stress are common. Excessive stress can affect your overall health, including your eye health and vision. How? Here are three eye conditions related to stress: Eye Strain and...