Retinal disease
Retinal Disease
Retinal disease (/rɪˈtɪnəl diːˈziːz/) refers to any condition that affects the retina, a thin layer of tissue located at the back of the eye that is responsible for converting light into neural signals that the brain can interpret as visual images.
Etymology
The term "retinal disease" is derived from the Latin word "retina," which means "net," and the Greek word "disease," which means "lack of ease."
Types of Retinal Diseases
There are several types of retinal diseases, including:
- Retinal detachment: This is a medical emergency where the retina is pulled away from its normal position at the back of the eye.
- Macular degeneration: This is a disease that destroys the central vision needed for seeing objects clearly.
- Diabetic retinopathy: This is a complication of diabetes that affects the eyes.
- Retinitis pigmentosa: This is a group of rare, genetic disorders that involve a breakdown and loss of cells in the retina.
Symptoms
Symptoms of retinal diseases can vary widely depending on the specific condition, but may include:
- Blurred or distorted vision
- Seeing floaters or flashes of light
- Loss of peripheral vision
- Loss of central vision
- Difficulty seeing at night
Treatment
Treatment for retinal diseases can involve medication, laser therapy, or surgery, depending on the specific condition and its severity. It's important to consult with an ophthalmologist for a proper diagnosis and treatment plan.
Related Terms
- Ophthalmology: The branch of medicine that deals with the diagnosis and treatment of eye disorders.
- Optometry: The practice or profession of examining the eyes for visual defects and prescribing corrective lenses.
- Visual acuity: Clarity or sharpness of vision.
External links
- Medical encyclopedia article on Retinal disease
- Wikipedia's article - Retinal disease
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