What are the effects of retinitis pigmentosa?
Often with RP, the rods are affected more than the cones. Because of this, the outer part of your vision may be affected. In some cases, this is known as tunnel vision. You may find it difficult to find your way around, particularly when it is dark. When the cones are more affected, you may notice that your central vision is blurred, for example when you are reading a book. Colours may seem dull. For some other people, both rods and cones may be affected. They may only be able to see very bright lights or large moving objects. You may find it more difficult to see at night or when it is sunny. You may also find it hard to see if the light changes rapidly, for example, if you walk from a dark room into bright sunlight or vice versa. It is a good idea to give yourself some extra time to adjust to the levels of lighting wherever you are. Wearing sunglasses or tinted spectacles can help if you find bright light or sunlight uncomfortable. Sometimes people with RP may also have a condition c
