| Characteristics | N | % |
Age | 18 - 50 Above 50 | 74 66 | 52.86 47.14 |
Sex | Female Male | 74 66 | 52.86 47.14 |
Snellen VA | ≤0.48 LogMAR >0.48 LogMAR | 128 12 | 91.43 8.57 |
PEEK VA Smartphone | ≤0.48 LogMAR >0.48 LogMAR | 129 11 | 92.14 7.86 |
Refractive error spherical | <+2.00 diopters +2 to +4.75 diopters ≤ 1.5 diopters −1.5 to −6.0 Error | 63 4 40 3 30 | 45 2.9 28.6 2.1 21.4 |
Refractive error cylindrical | <+2.00 diopters +2 to +4.75 diopters ≤ 1.5 diopters −1.5 to −6.0 Error | 9 1 96 8 26 | 6.4 0.7 68.6 5.7 18.6 |
IOP | <9 mmhg 9 - 21 mmhg >21 mmhg | 1 135 4 | 0.71 96.43 2.86 |
PEEK Smartphone Contrast sensitivity | ≤2.5% >2.5% | 48 92 | 34.28 65.71 |
PEEK Smartphone Amsler grid | no scotoma 1 or more scotoma | 89 51 | 63.57 36.43 |
PEEK Smartphone Amsler grid severity | Mild - no scotoma Moderate - one scotona in one quadrant Severe - scotoma in more than one quadrant | 89 12 39 | 63.6 8.6 27.9 |
PEEK retina smartphone | ≥0.7 VCDR <0.7 VCDR | 61 79 | 43.6 56.4 |
Slit lamp biomicroscopy | ≥0.7 VCDR <0.7 VCDR | 62 78 | 44.29 55.71 |
Humphrey visual fieldanalyzer | Outside normal limits is abnormal Within normal limits is normal | 67 73 | 47.86 52.14 |
Humphrey visual field analyzer 10 - 2 severity | Mild - no scotoma Moderate - one scotona in one quadrant Severe - scotoma in more than one quadrant | 111 1 28 | 79.3 0.7 20 |
mean deviation | ≤2 dB abnormal ≥2 dB normal | 91 49 | 65.00 35.00 |