You may want to consider Transitions photochromic lenses for your primary pair of glasses. They adjust automatically to changing light conditions to allow just the right amount of light to reach the ...

Through natural selection, different types of eyes have emerged in evolutionary ... the layer of cells and pigment at the back of the human eye. Over time a lens formed at the front of the eye.

Once an IOL is placed in your eye, it can't be changed without additional surgery. What types of intraocular lenses (IOLs) ...

Furthermore, various animal groups have evolved very different types of eyes. The insects have evolved a compound eye, which consists of many individual eyes with individual lenses. The squid ...

» Which part of the eye does cataract affect? There are three predominant forms of cataract depending on their anatomical location in the eye lens: cortical, nuclear and posterior sub-capsular (PSC).

These glasses allow people with macular degeneration to see complete objects by banishing pesky blind spots using dozens of ...

The researchers implanted the three types of lenses into the eyes of rabbits. At two weeks, they measured intraocular pressure in the three groups of rabbits that received a PRL, as well as a ...