| Concepts on glaucoma | Yes | No | Don’t know |
| It affects only adults | 16 | 121 | 32 |
| Glaucoma leads to vision loss | 156 | 4 | 9 |
| Probability high with HBP and diabetes | 95 | 23 | 51 |
| Observing the sun directly without a sunglasses can lead to glaucoma | 15 | 86 | 68 |
| Glaucoma is manifested by eye scratching and eyelid swelling | 21 | 101 | 47 |
| Eye pain, gradual loss of visual acuity and tearing suggests chronic glaucoma | 95 | 22 | 52 |
| Glaucoma-related blindness is curable | 34 | 99 | 36 |
| Probability of having glaucoma increases with age | 101 | 25 | 43 |
| Black people are more likely to have glaucoma than white | 39 | 13 | 117 |
| Triad “Big beautiful eyes, photophobia and tearing” in newborns is reminiscent of congenital glaucoma | 77 | 17 | 74 |