Eye disorders

Definition Myopia, otherwise known as short-sightedness, is a common eye condition that causes objects in the distance to appear blurred while close objects are often seen clearly. It occurs when the eye has too much focusing power, either due to the eye being too long or the cornea being more …

Definition Optic neuritis is the inflammation of the optic nerve (the second cranial nerve). The inflammation causes a fairly rapid loss of vision in the affected eye, a new blind spot (a scotoma, usually in or near the center of the visual field), pain in the eyeball (often occurring with …

Definition of Thyroid Eye Disease People with thyroid disease sometimes develop an eye condition that causes the immune system to attack the muscles and other tissues around the eyes. This inflammation can cause the eyeballs to bulge from their sockets. Rarely, it can be severe enough to cause vision loss. …

Definition of Retinitis Pigmentosa Retinitis pigmentosa (RP) is the name given to a group of inherited eye diseases that affect the retina (the light-sensitive part of the eye). RP causes the breakdown of photoreceptor cells (cells in the retina that detect light). Photoreceptor cells capture and process light helping us …

Eye floaters definition Eye floaters are deposits or condensation in the vitreous (often referred to as vitreous humor, vitreous fluid, or vitreous gel), the material that fills the posterior part of the eye. People use the term eye floaters to describe seeing spots within their vision that move or “float” …

Definition Bull’s eye maculopathy describes a number of different conditions in which there is a ring of pale-looking damage around a darker area of the macula. The macula can often appear to have circular bands of different shades of pink and orange. Age of onset and severity of sight loss …

Definition Strabismus or squint also called crossed eyes, is a condition in which the eyes don’t look towards an object together. One of the eyes may look in or out, or turn up or down. The eye turning can occur all of the time or only sometimes, such as during …

Definition Glaucoma is the eye disorder the affects the optic nerve of the eye which receives impulses from the retina and transmits to the brain. It is mainly caused by the high pressure in your eyes. This condition is called ocular hypertension. If this condition is not treated, the first …