Astigmatism category (D) | Anisometropia category (D) | |||
≤0.50 | ≤1.00 | ≤1.50 | Unlimited | |
≤0.75 | SC1: 1217 (62.4%) SC2: 1179 (64.0%) SC3: 975 (63.2%) SC4: 968 (63.6%) SC5: 718 (62.5%) SC6: 715 (62.8%) | SC1: 1473 (75.5%) SC2: 1419 (77.0%) SC3: 1167 (75.6%) SC4: 1159 (76.2%) SC5: 864 (75.2%) SC6: 860 (75.6%) | SC1: 1519 (77.9%) SC2: 1464 (79.4%) SC3: 1202 (77.9%) SC4: 1194 (78.5%) SC5: 892 (77.6%) SC6: 888 (78.0%) | SC1: 1559 (80.0%) SC2: 1502 (81.5%) SC3: 1235 (80.0%) SC4: 1227 (80.7%) SC5: 913 (79.5%) SC6: 909 (79.9%) |
≤1.00 | SC1: 1288 (66.1%) SC2: 1248 (67.7%) SC3: 1039 (67.3%) SC4: 1031 (67.8%) SC5: 767 (66.8%) SC6: 763 (67.1%) | SC1: 1570 (80.5%) SC2: 1514 (82.2%) SC3: 1254 (81.2%) SC4: 1245 (81.9%) SC5: 933 (81.2%) SC6: 928 (81.6%) | SC1: 1620 (83.1%) SC2: 1562 (84.8%) SC3: 1291 (83.6%) SC4: 1282 (84.3%) SC5: 961 (83.6%) SC6: 956 (84.0%) | SC1: 1667 (85.5%) SC2: 1607 (87.2%) SC3: 1330 (86.1%) SC4: 1321 (86.9%) SC5: 987 (85.9%) SC6: 982 (86.3%) |
≤1.25 | SC1: 1322 (67.8%) SC2: 1280 (69.5%) SC3: 1070 (69.3%) SC4: 1061 (69.8%) SC5: 793 (69.0%) SC6: 789 (69.3%) | SC1: 1618 (83.0%) SC2: 1559 (84.6%) SC3: 1297 (84.0%) SC4: 1287 (84.6%) SC5: 969 (84.3%) SC6: 964 (84.7%) | SC1: 1673 (85.8%) SC2: 1611 (87.4%) SC3: 1337 (86.6%) SC4: 1327 (87.3%) SC5: 999 (87.0%) SC6: 994 (87.4%) | SC1: 1723 (88.4%) SC2: 1659 (90.0%) SC3: 1379 (89.3%) SC4: 1369 (90.0%) SC5: 1026 (89.3%) SC6: 1021 (89.7%) |
Unlimited | SC1: 1451 (74.4%) SC2: 1384 (75.1%) SC3: 1158 (75.0%) SC4: 1142 (75.1%) SC5: 855 (74.4%) SC6: 849 (74.6%) | SC1: 1803 (92.5%) SC2: 1710 (92.8%) SC3: 1432 (92.8%) SC4: 1411 (92.8%) SC5: 1068 (93.0%) SC6: 1058 (93.0%) | SC1: 1879 (96.4%) SC2: 1779 (96.5%) SC3: 1485 (96.2%) SC4: 1464 (96.3%) SC5: 1110 (96.6%) SC6: 1100 (96.7%) | SC1: 1950 (100%) SC2: 1843 (100%) SC3: 1544 (100%) SC4: 1521 (100%) SC5: 1149 (100%) SC6: 1138 (100%) |
SC1 (n=1950): UCVA ≤20/40 improving by ≥2 lines.
SC2 (n=1843): UCVA ≤20/40 improving by ≥3 lines.
SC3 (n=1544): UCVA ≤20/50 improving by ≥2 lines.
SC4 (n=1521): UCVA ≤20/50 improving by ≥3 lines.
SC5 (n=1149): UCVA ≤20/63 improving by ≥2 lines.
SC6 (n=1138): UCVA ≤20/63 improving by ≥3 lines.
Data are given as number (%) within astigmatism and anisometropia categories for each of the UCVA and lines of improvement scenarios: SC1–SC6.
RMS, ready-made spectacles; UCVA, uncorrected visual acuity.