Yes, I totally agree about depression and anxiety. :-) I'm just pointing out that this study finds an incredibly high percentage of those with RP have OCD, schizophrenia, and other disorders.
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But the population in the study is not necessarily the same as in all other countries. Here's a quote from the paper: "Consanguineous marriage, especially first cousins’ marriage, has been reported to be the most common etiology of RP in Iran (
$1)."
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This indicates marriage between first cousins or closer, and this can lead to many complications in health and genetics, beyond RP. Here's an article from the National Institute of Health on the topic:
$1 So this study is specific to the population they tested, unless your country and population is markedly similar and you have the same genetic variant of RP (which they did not test for).
It's easy to read a study like this and panic, as if RP is giving you all these other disorders. It's not.
However, there are many studies showing the relationship between vision loss, stress, depression, and anxiety. This is a substantial concern, and something we should have a lot of tools to address.