Retinitis pigmentosa is one of the most common inherited diseases of the retina (retinopathies). It is estimated to affect 1 in 3,500 to 1 in 4,000 people in the United States and Europe.
How many people are affected by retinitis pigmentosa ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by retinitis pigmentosa ? [/INST] \n Retinitis pigmentosa is one of the most common inherited diseases of the retina (retinopathies). It is estimated to affect 1 in 3,500 to 1 in 4,000 people in the United States and Europe.</s>