Author Archives: tsusnick

Separation of the retina from the underlying supportive tissues. Retinal detachment may result from injury, disease, or other causes. A person with retinal detachment usually does not experience pain, but may see floaters (see floaters and spots) or bright flashes of light, may have blurred vision or may see a shadow or curtain over part […]

Blindness affects half of the field of vision. Hemianopia, also known as hemianopsia, may be caused by various medical conditions but usually results from a stroke or brain injury. It may affect the visual field’s right or left side and is usually permanent. Hemianopia can produce various effects, from minor to severe. For example, a […]

A rare disorder present at birth, in which the optic nerve is underdeveloped, the pituitary gland does not function properly, and often a portion of brain tissue is not formed. De Morsier’s Syndrome, also known as septo-optic dysplasia, may cause blindness in one or both eyes and is often accompanied by nystagmus and other symptoms. […]

A vision problem in which a person has difficulty distinguishing specific colors—most commonly red and green, but sometimes blue and green or blue and yellow. Color blindness is not a form of blindness but rather a deficiency in color perception. It usually affects both eyes and is much more common in males than females. There […]