[1] There are photoreceptor cells in the retina called rods and cones, which transduce light energy into nerve signals that can be processed by the brain to form visual images.

Some symptoms may include: In adults, retinal hemorrhages are largely spontaneous, secondary to chronic medical conditions such as hypertension.

[7] A retinal hemorrhage is generally diagnosed by using an ophthalmoscope or fundus camera in order to examine the inside of the eye.

A fluorescein angiography test may be conducted, in which a fluorescent dye is often injected into the patient's bloodstream beforehand so the administering ophthalmologist can have a more detailed view and examination on the blood vessels in the retina.

Blood tests may provide information about the patient's overall health and may also reveal the medical condition that may have caused retinal hemorrhage.