Description of study population
| Mean age (years) | 68.7 (0.86) |
| % female | 72 |
| Mean duration of symptoms from macular hole (months) | 6.3 (0.34) |
| Macular hole stage | % (No) |
|---|---|
| III | 91 (81) |
| IV | 9 (8) |
| Preoperative lens nuclear sclerosis* | % (No) |
|---|---|
| *Nuclear sclerosis was graded at the slit lamp and defined as follows: Grade 0 was a clear lens, grade 1 early nuclear sclerosis with mild yellow colour of the posterior lens in the slit beam, grade 2 yellow colour change throughout the lens, grade 3 yellow brown coloration throughout the lens, and grade 4 a brown coloured lens. | |
| 1+ | |
| 2+ | 75 (67) |
| 3+ | 25 (22) |