|  |  |  | Visual acuity | |
---|---|---|---|---|---|
 | Age | Sex | Type of disease | D | N |
Patient 1 | 82 | Male | Predominantly | 0.2 | 1.0 |
Patient 2 | 66 | Male | Predominantly | 0.04 | 1.0 |
Patient 3 | 74 | Male | Predominantly | 0.4 | 0.9 |
Patient 4 | 86 | Male | Occult | 0.6 | 1.0 |
Patient 5 | 59 | Male | Occult | 0.5 | 1.2 |
Patient 6 | 63 | Male | Occult | 0.2 | 1.0 |