Links
[1] https://disorders.eyes.arizona.edu/references/x-linked-cone-dystrophy-caused-mutation-red-and-green-cone-opsins
[2] https://disorders.eyes.arizona.edu/references/genetic-heterogeneity-among-blue-cone-monochromats
[3] https://disorders.eyes.arizona.edu/references/molecular-genetics-human-blue-cone-monochromacy