RETINAL EDEMA Meaning and
Definition
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Retinal edema refers to the abnormal accumulation of fluid in the retina, a thin layer of tissue that lines the innermost part of the eye. The retina is responsible for converting light into neural signals that are transmitted to the brain, enabling us to perceive visual images.
Retinal edema can occur due to various underlying conditions, including inflammation, damage to blood vessels, increased pressure within the eye, or certain diseases such as diabetes. When the tiny blood vessels in the retina become leaky or damaged, fluid can escape into the surrounding retinal tissue, causing swelling or edema.
Symptoms of retinal edema may include blurry or distorted vision, decreased visual acuity, floaters (spots or lines that seem to float across the field of vision), and in severe cases, vision loss. It can affect a part or the entire retina.
The diagnosis of retinal edema is typically made through a comprehensive eye examination, including a dilated fundus examination, which allows an ophthalmologist to visualize the retina and identify any signs of swelling or fluid accumulation.
Treatment options for retinal edema vary depending on the underlying cause. They may include medications to reduce inflammation, control blood pressure, or manage the underlying disease. In some cases, laser therapy may be employed to seal leaky blood vessels and reduce fluid build-up. More recently, new pharmacological agents known as anti-vascular endothelial growth factor (anti-VEGF) drugs have shown promising results in treating retinal edema by reducing the leakage of fluid from blood vessels and improving vision.
Common Misspellings for RETINAL EDEMA
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Etymology of RETINAL EDEMA
The word "retinal edema" is a medical term that describes a condition wherein fluid accumulates in the tissue layers of the retina, causing swelling and potential vision problems.
The term "retinal" is derived from the Latin word "retina", which means "net". The retina is the delicate tissue layer located at the back of the eye that contains light-sensitive cells and helps transmit visual information to the brain.
"Edema" is a medical term of Greek origin, derived from the word "oidēma", meaning "swelling". It refers to the abnormal accumulation of fluid in body tissues.
Therefore, the etymology of "retinal edema" can be understood as "swelling of the retina".
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