{"id":9,"date":"2024-10-16T20:24:24","date_gmt":"2024-10-16T20:24:24","guid":{"rendered":"https:\/\/prrf.org\/coats-disease\/"},"modified":"2025-06-03T14:17:19","modified_gmt":"2025-06-03T14:17:19","slug":"coats-disease","status":"publish","type":"page","link":"https:\/\/prrf.org\/ja\/pediatric-retinal-diseases\/coats-disease\/","title":{"rendered":"\u30b3\u30fc\u30c8\u75c5"},"content":{"rendered":"
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Introduction and History<\/strong><\/p>\n

Coats’ disease is a rare eye condition where the tiny blood vessels in the retina develop abnormally. The retina is the light-sensitive layer at the back of your eye that acts like the film in a camera, sending visual messages to your brain. In Coats’ disease, these abnormal blood vessels, called “telangiectasias” (tel-AN-jee-ek-TAY-shuhs), can leak fluid, blood, and fatty material (exudates) into and under the retina.<\/p>\n

This leakage can cause the retina to swell and may lead to a separation of the retina from the back of the eye, known as a retinal detachment. These changes can cause vision loss, ranging from mild to severe. Coats’ disease almost always affects only one eye and is not usually passed down in families (it’s typically not hereditary).<\/p>\n

Coats’ disease is named after a Scottish eye doctor, Dr. George Coats, who first described the condition in detail in 1908. He identified it as a specific problem with the retinal blood vessels leading to exudation, primarily in young males.<\/p>\n

Who Is Affected?<\/strong><\/p>\n

Coats’ disease is most commonly found in young males, with about 3 out of 4 people diagnosed being male. While it can occur at any age, it is usually diagnosed in childhood, often before the age of 10. In most cases (around 95%), only one eye is affected. Because it’s not usually an inherited condition, it typically happens sporadically, meaning it occurs by chance and isn’t passed from parents to children.<\/p>\n

Diagnosis<\/strong><\/p>\n

The first signs of Coats’ disease can include:<\/p>\n