It becomes more common as we age, but babies can be born with a cataract. As it worsens, it can require surgery to remove the lens and place an intraocular lens. Glaucoma - If the aqueous humor does not drain out correctly, then pressure builds up in the eye. This causes the cells ...
It becomes more common as we age, but babies can be born with a cataract. As it worsens, it can require surgery to remove the lens and place an intraocular lens. Glaucoma - If the aqueous humor does not drain out correctly, then pressure builds up in the eye. This causes the cells ...
Lots of animals also have ultraviolet vision -- from birds to bugs, fish to lizards. Interestingly, after an injury or an event like cataract surgery, some humans gain ultraviolet vision. When the lens of a person's eye has been removed, the condition is called aphakia. Some people think ...
The brain, in fact, can perform tricks to make up for the eyes' shortcomings. Singman recalls the case of a patient who after eye surgery, suddenly discovered that when he covered that eye, he couldn't see out of the other, supposedly good eye. When a doctor examined the patient, it...