Table 3

Postoperative best corrected vision by levels of preoperative visual acuity in follow up groups (n=163)

WHOPreoperativePostoperative
PseudophakicAphakic
0103–50123–5
Group 1 (6 weeks; n=52)
 6/6–6/180
 <6/18–6/60116  (30.8%)44.4%44.4%14.3%11.1%14.3%57.1%28.6%
 <6/60–3/6026 (11.5%)50.0%33.3%
 <3/60–1/60311 (21.2%)57.1%42.9%75..0%25.0%
 Perception of light419 (36.5%)54.5%36.4%25.0%9.1%25.0%37.5%12.5%25.0%
 All0–45251.5%39.4%15.8%6.1%15.8%52.6%21.1%10.5%
Group 2 (14 months; n=42)25.0%75.0%
 6/6–6/180100%
 <6/18–6/6015 (21.4%)100%25.0%50.0%33.3%16.7%
 <6/60–3/6027 (16.7%)66.7%33.3%100%18.2%40.0%40.0%20.0%
 <3/60–1/60310 (23.8%)25.0%75.0%50.0%13.0%52.6%36.8%10.5%
 Perception of light416 (38.1%)72.7%20.0%40.0%
 All0–44265.2%21.7%52.6%
Group 3 (32 months; n=69)22.2%33.3%22.2%22.2%22.2%
 6/6–6/18025.0%16.7%33.3%50.0%
 <6/18–6/60118 (26.1%)66.7%11.1%33.3%50.0%37.5%12.5%
 <6/60–3/60210 (14.5%)25.0%50.0%16.7%33.3%33.3%28.6%4.8%
 <3/60–1/60312 (17.4%)50.0%50.0%50.0%12.0%34.1%31.8%25.0%9.1%
 Perception of light429 (42.0%)87.5%12.5%33.3%
 All0–46964.0%24.0%34.1%
  • Three eyes that did not have data on preoperative vision are not included in this table.

  • Category 5 = no perception of light.