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Six Classes of Therapy for Inherited Photoreceptor Degenerations
| Genetic testing |
| Environmental modification |
| Nutritional supplementation |
| Toxin avoidance |
| Drugs |
| Small molecule drugs (e.g. vitamins) |
| Large molecule drugs (e.g. growth factors) |
| Gene therapy |
| Gene replacement |
| Mutant allele suppression |
| Large molecule drug delivery |
| Cell therapy |
| Replacement of differentiated cell function |
| Replacement of supportive cell function |
| Large molecule drug delivery |
| Retinal prostheses |
