A study on ground squirrels shows, not only do mitochondria produce bioenergy in the cone-shaped photoreceptors in the retina of the eye, they also act as micro-lenses that redirect light to the ...

While they’re not for everyone, scleral lenses can be an excellent way to help your eyes retain moisture. Unlike standard contact lenses, scleral contact lenses fit over the sclera, sometimes known as ...

Choosing new glasses involves lots of factors, including the type of lens you will purchase. If you have a strong prescription, you might consider aspheric lenses. There are many types of lenses for ...

Scleral lenses are large contact lenses that rest on the sclera, the white part of the eye, rather than the cornea. The lenses contain saline, so the cornea stays moist, which is helpful for people ...

If you’d prefer to wear contact lenses instead of glasses for improved vision, there are several types to choose from. Both hard and soft contact lenses have their benefits and drawbacks. Which one is ...