Table 1.
Cooperative patientsa |
N |
Percentage (%) |
---|---|---|
⩾20/40 | 24 | 21.1 |
20/50–20/160 | 15 | 13.2 |
20/200–LP | 13 | 11.4 |
NLP | 4 | 3.5 |
⩾20/40 | 24 | 21.1 |
20/50–20/160 | 15 | 13.2 |
20/200–LP | 13 | 11.4 |
NLP | 4 | 3.5 |
Uncooperative patientsb | ||
CSM | 45 | 39.5 |
CSUM | 6 | 5.3 |
CUSUM | 2 | 1.8 |
UCUSUM | 5 | 4.4 |
Total Favorable ⩾20/160 or ⩾CSM | 84 | 73.7 |
Total Unfavorable <20/160 or <CSM | 30 | 26.3 |
Cooperative patients were patients who could read Snellen letters during visual acuity testing.
Uncooperative patients were patients who were too young or otherwise unable to perform the Snellen acuity CSM denotes central, steady, maintain.