The parents of this 7 year old girl noticed that she began to hold books closer to her eyes when reading about six months ago. As a younger child her vision seemed to be perfectly normal.
| Age at visit: 7 years (Visit 2) |
| Age at visit: 8 years |
| Age at visit: 8 years (Visit 2) |
| Age at visit: 9 years |
| Age at visit: 10 years |
| Age at visit: 11 years |
| Disease | Gene | Allele 1 variant(s) | Allele 2 variant(s) | Inheritance mode |
|---|---|---|---|---|
| Batten Disease | CLN3 | Deletion Exons 9-10 | Deletion Exons 9-10 | AR |