A complex system of nerves and muscles enables the human eye to blink, gaze, and shift focus. The trochlear nerve is one of six cranial nerves that carry electrical impulses from the brain to the eye.

Eye strain has several components. Looking at very bright or very dim objects can lead your pupils to work harder, while looking at a stationary object can cause fatigue in the muscles that aim and ...

The most useful biomarker for extraocular muscle enlargement in thyroid eye disease (TED) is unclear. According to this study, higher thyroid-stimulating antibody (TSAb) levels and older age were ...

Droopy eyelids, also known as eyelid ptosis, can make you look tired and affect your facial expression. While many people think surgery is the only solution, there are specific exercises recommended ...