CORNEAL DYSTROPHY Meaning and
Definition
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Corneal dystrophy is a term used in ophthalmology to describe a group of genetic disorders that affect the transparent front covering of the eye called the cornea. The cornea plays a crucial role in focusing light onto the retina for clear vision. However, in corneal dystrophy, there is a malfunction or abnormality in the corneal cells, leading to the formation of deposits, cloudiness, or thinning of the cornea.
These conditions are typically inherited, meaning they are passed down through generations. Corneal dystrophies often affect both eyes and can manifest at any age, with some forms being present at birth while others may develop later in life. They may result in a range of symptoms, including blurry or distorted vision, sensitivity to light, discomfort, or a feeling of a foreign body in the eye.
There are various types and subtypes of corneal dystrophies, each with distinct characteristics and patterns of presentation. Some common forms include Fuchs' dystrophy, which affects the innermost layer of the cornea, map-dot-fingerprint dystrophy, which causes distinctive patterns on the cornea's surface, and Lattice dystrophy, associated with the presence of abnormal protein deposits.
Although corneal dystrophies are generally chronic and progressively worsen over time, the rate of progression and severity can vary widely among individuals. Treatment options usually focus on managing symptoms and improving visual clarity. These can include the use of lubricating eye drops, contact lenses, surgery, or corneal transplantation in severe cases.
Overall, corneal dystrophy is a group of genetic disorders that affect the cornea, leading to impaired vision and requiring ongoing management to maintain visual function.
Etymology of CORNEAL DYSTROPHY
The word "corneal" comes from the Latin word "cornea", which means "horny". This refers to the transparent front part of the eye, called the cornea. The term "dystrophy" is derived from the Greek words "dys", meaning "difficult" or "faulty", and "trophe", meaning "nourishment" or "growth". Therefore, "corneal dystrophy" is a condition that involves faulty or abnormal growth in the cornea.
