Retinal hemorrhage
Retinal Hemorrhage
Retinal hemorrhage (pronunciation: /ˈrɛtɪnəl ˈhɛmərɪdʒ/) is a disorder of the eye characterized by bleeding into the retina.
Etymology
The term "retinal hemorrhage" is derived from the Latin word "retina" meaning "net", and the Greek word "haimorrhagia" meaning "bleeding".
Definition
A retinal hemorrhage is a condition where bleeding occurs in the retina, the light-sensitive tissue at the back of the eye. This can lead to a variety of symptoms, including blurred vision, floaters, and even vision loss.
Causes
Retinal hemorrhages can be caused by a variety of conditions, including diabetes, hypertension, retinal vein occlusion, and trauma to the eye. In rare cases, they can also be a sign of abusive head trauma in infants and young children.
Diagnosis
Diagnosis of a retinal hemorrhage typically involves a thorough eye examination by an ophthalmologist. This may include a dilated eye exam, where drops are placed in the eyes to widen the pupils and allow a better view of the retina.
Treatment
Treatment for a retinal hemorrhage depends on the underlying cause. This may involve managing underlying conditions such as diabetes or hypertension, or surgical procedures such as a vitrectomy or laser photocoagulation.
Related Terms
- Vitreous hemorrhage: Bleeding into the vitreous, the clear gel that fills the space between the lens and the retina.
- Subretinal hemorrhage: Bleeding that occurs beneath the retina.
- Preretinal hemorrhage: Bleeding that occurs in the space between the retina and the vitreous.
External links
- Medical encyclopedia article on Retinal hemorrhage
- Wikipedia's article - Retinal hemorrhage
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