Ocular symptoms and diagnoses of patients with visual impairment
| Symptoms* | All (n=87) | PVL (n=49) | TVI (n=38) | P value |
| Vision loss, n (%) | 24 (27.6) | 24 (49.0) | 0 (0.0) | <0.001 |
| Diplopia, n (%) | 23 (26.4) | 1 (2.0) | 22 (57.9) | <0.001 |
| Visual field loss, n (%) | 22 (25.3) | 20 (40.8) | 2 (5.3) | <0.001 |
| Blurred vision, n (%) | 19 (21.8) | 9 (18.4) | 10 (26.3) | 0.37 |
| Amaurosis fugax, n (%) | 9 (10.3) | 2 (4.1) | 7 (18.4) | 0.04 |
| Diagnoses | All (n=87) | PVL (n=49) | TVI (n=38) | p-value |
| AION, n (%) | 37 (42.5) | 36 (73.5) | 1 (2.6) | <0.001 |
| Abducens palsy, n (%) | 11 (12.6) | 0 (0.0) | 11 (28.9) | <0.001 |
| CRAO, n (%) | 8 (9.2) | 8 (16.3) | 0 (0.0) | 0.009 |
| CVI, n (%) | 5 (5.7) | 1 (2.0) | 4 (10.5) | 0.16 |
| INOP, n (%) | 1 (1.1) | 0 (0.0) | 1 (2.6) | 0.44 |
| Normal findings in the examination, n (%) | 20 (23.0) | 0 (0.0) | 20 (52.6) | <0.001 |
| PION, n (%) | 1 (1.1) | 1 (2.0) | 0 (0.0) | 1 |
| No examination, n (%) | 1 (1.1) | 1 (2.0) | 0 (0.0) | 1 |
| AION+CRAO, n (%) | 1 (1.1) | 1 (2.0) | 0 (0.0) | 1 |
| AION+CVI, n (%) | 1 (1.1) | 0 (0.0) | 1 (2.6) | 0.44 |
| AION+abducens palsy, n (%) | 1 (1.1) | 1 (2.0) | 0 (0.0) | 1 |
*Some patients had more than one symptom.
AION, anterior ischaemic optic neuropathy; CRAO, central retinal artery occlusion; CVI, cerebrovascular insult; INOP, internuclear ophthalmoplegia; n, number; PION, posterior ischaemic optic neuropathy; PVL, permanent vision loss; TVI, transient visual impairment.