Retinitis Pigmentosa Information
Retinitis Pigmentosa occurs whenever there is an injury or damage done to The Retina.
The retinas purpose is to convert any light into tangible images and then transmit its findings to the brain. In order for it to be classified as pigmentosa, the retina must show that there are several genetic Eyesight Disorder present.
When pigmentosa progresses, many people will experience night blindness or tunnel vision. How fast the Eye Diseases progresses to absolute blindness greatly depends on the type of person who has pigmentosa. Some have started to go slowly blind in their elder years, but others who have this have gone completely blind when they were children.
Retinitis pigmentosa is considered a type of progressive retinal dystrophy. Basically comprising of several inherited disorders, which cause irregularities in the photoreceptors or the retinal pigment epithelium of the Retina. This irregularities cause the retina to have a Loss of Vision over a period of time.
People who first start to experience pigmentosa will have problems adapting to darkness or will have night blindness. This is typically followed by tunnel vision where the person can only see selected amounts of space. At the tail end of the condition, the person will lose all visual sensations and become blind.
Since retinitis pigmentosa is a genetic condition, it is very likely that other members of the family also have this disease. The cells that help adapt to night vision are called rods and these are typically the ones that have become affected. Retinal cone cells have also been shown to be damaged, but this only occurs in some cases.
When an Eye Care Professional or Eye Care Specialist looks into your eyes, he or she can see black pigments floating around in the retina.
The eye care practitioner will make you go through a variety of tests to confirm if you have retinitis pigmentosa. Some of these include:
- Testing your color vision.
- If pupils are dilated, then a retina examination will occur by an ophthalmoscopy
- Testing the pupil reflex response times.
- Refraction test.
- Side vision test.
- Visual acuity.
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