This 11 year old boy was found to have reduced acuity in his right eye during a school screening. Both of his parents have normal fundus exams. His maternal uncle has been "legally blind" since he was a teenager. His mother's EOG was 2.3 in the right eye and 2.4 in the left eye. His father's EOS was 1.3 in the right eye and 1.2 in the left eye.
| Disease | Gene | Allele 1 variant(s) | Allele 2 variant(s) | Inheritance mode |
|---|---|---|---|---|
| Best Disease | BEST1 | Arg218Cys CGT>TGT | AD |