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. 2017 Sep 28;2(1):e000090. doi: 10.1136/bmjophth-2017-000090

Table 1.

Preoperative and postoperative demographic data of patients undergoing toric implantable collamer lens surgery after 4 years

Parameter studied Outcome
Refractive surgery (number of eyes) 24 patients; 40 eyes (16 patients bilateral, 8 patients unilateral)
Mean age±SD 30.57±4.69
Range 25–38
Gender
 Male 12 (50%)
 Female 12 (50%)
Preoperative visual acuity (log MAR)
 UCVA 1.28±0.37 (range: 0.3 to 1.8)
 CDVA 0.19±0.11 (range: −0.1 to 0.3)
Preoperative refractive error (spherical equivalent)
 Range (−1.75 to −20.50)
 Mean±SD (−7.55±4.22)
Postoperative visual acuity (log MAR)
 UCVA 0.11±0.13
  CDVA 0.04±0.16
Postoperative residual refraction (D)
 Mean±SD 0.44±0.40

CDVA, corrected distance visual acuity; log MAR, logarithm of the minimum angle of resolution; UCVA, uncorrected visual acuity.