When you have RP, your rod and cone cells gradually stop working. Depending on the type of RP you have, you may notice your first symptoms in your early childhood or later, between the ages of 10 to 30. Some people don’t have symptoms until later in life. In RP, the first symptom you’ll notice is not seeing as well as people without a sight condition in dim light, such as outside at dusk, or at night. This is often called “night blindness”. People without a sight condition can fully adapt to dim light in 15 to 30 minutes, but if you have RP it will either take you much longer or it won’t happen at all.
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