The drug, Zioptan, treats elevated intraocular pressure in people with a form of glaucoma or ocular hypertension.

WSJ: New Drug Approved to Treat Eye Condition

One problem, though: Not everyone is convinced ocular dominance is a real phenomenon.

WSJ: Baseball's Oddest Fraternity

These mutations result in signs and symptoms related to vision (ocular) and those related to skin (cutaneous), hair and iris color.

CNN: Albinism

Scientists have long discussed a phenomenon known as "ocular dominance, " which argues that each person prefers visual input from one eye over the other.

WSJ: Baseball's Oddest Fraternity

"We now believe that we have a set of materials and fabrication techniques that allow us to build not only insect eyes, but also ocular organs found in other creatures in nature, " said Rogers.

CNN: High-tech camera acts like a bug's eye