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. 2010 Feb;94(2):236-40.
doi: 10.1136/bjo.2009.160218.

Photorefractive keratectomy for the treatment of purely refractive accommodative esotropia: 6 years' experience

A K Hutchinson  1 , M Serafino, P Nucci
Affiliations

Photorefractive keratectomy for the treatment of purely refractive accommodative esotropia: 6 years' experience

A K Hutchinson et al. Br J Ophthalmol. 2010 Feb.

Abstract

Aims: To report the long term outcomes of photorefractive keratectomy (PRK) for the treatment of hyperopia associated with purely refractive accommodative esotropia.

Methods: This study was a retrospective chart review of 40 patients aged 17-39 years who underwent PRK to eliminate their dependence on glasses. Pre- and postoperative best spectacle corrected visual acuity (BSCVA), uncorrected visual acuity (UCVA), refractive spherical equivalent (SEQ), ocular alignment and stereoacuity were reviewed.

Results: Forty patients (80 eyes) with a mean age of 27.9 years were treated for a mean preoperative SEQ of +3.06 D hyperopia. The mean final postoperative SEQ was +0.06 D. Preoperative BSCVA was 0.04 logarithm of the minimum angle of resolution (logMAR), and did not change postoperatively. Mean UCVA significantly improved from 0.30 logMAR preoperatively to 0.08 logMAR post-operatively. Mean pre-operative esotropia at distance and near was 18.6 prism D. All patients were orthophoric without correction at the 1 month, 1 year and final postoperative evaluations. Visual acuity, refractive error and alignment remained stable after the 1 year postoperative examination. Stereoacuity was unchanged in 80% of patients postoperatively. There were no complications.

Conclusion: PRK can be used to treat low to moderate hyperopia associated with purely refractive accommodative esotropia in young adults.

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Figures

Figure 1
Figure 1
Safety: pre-operative vs. postoperative best spectacle corrected visual acuity (logMAR)
Figure 2
Figure 2
Refractive Efficacy: pre-operative uncorrected visual acuity vs. post-operative uncorrected visual acuity (logMAR)
Figure 3
Figure 3
Predictability: attempted vs. achieved spherical equivalent
Figure 4
Figure 4
Refractive Stability: mean spherical equivalent over time
Figure 5
Figure 5
Alignment stability: mean uncorrected ocular alignment at 1 month, 12 months and final follow-op examinations (distance and near alignment was the same in all patients since they all had a normal AC/A ratio).
See this image and copyright information in PMC

References

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