Definition: Ophthalmostasis is a medical condition that affects the eye. It is characterized by a decrease in the size of the lens, which is the transparent part of the eye's cornea, and can cause vision problems such as blurry or double vision. Ophthalmostasis can also affect other parts of the eye, including the iris (the colored area at the front of the eye) and the retina (the layer of cells that help us see). The exact causes of ophthal