Cataract Surgery Using Piggyback Method in Patient With Nanophthalmos.

Lee, Jong Wook; Choi, Won Suk; Park, Young Jeung; Lee, Kyoo Won

doi:2010.51.7.1016

J Korean Ophthalmol Soc > Volume 51(7); 2010 > Article

Case Report

Journal of the Korean Ophthalmological Society 2010;51(7):1016-1022.
DOI: https://doi.org/10.3341/jkos.2010.51.7.1016 Published online July 15, 2010.

Cataract Surgery Using Piggyback Method in Patient With Nanophthalmos.

Jong Wook Lee, Won Suk Choi, Young Jeung Park, Kyoo Won Lee

Cheil Eye Hospital, Daegu, Korea. eyepark9@dreamwiz.com

소안구증 환자에서 piggyback 방법을 이용한 백내장 수술

이종욱ㆍ최원석ㆍ박영정ㆍ이규원

Cheil Eye Hospital, Daegu, Korea

Abstract

PURPOSE
To report a case of cataract surgery using a piggyback method in a patient with pure nanophthalmos with an axial length under 16.00 mm in both eyes. CASE SUMMARY: The authors performed cataract surgery using a piggyback method inserting two intraocular lenses (IOLs) in a 44-year-old male with nanophthalmos with axial lengths of OD 15.36 mm, and OS 15.59 mm. Primary implantation of two IOLs of +53.0D as calculated by the SRK/T and Holladay formula was performed in the right eye using a piggyback method. In the left eye, two IOLs of +60.0D calculated by the Hoffer Q formula were implanted. Postoperative hyperopic refractive errors occurred in both eyes. The differences between the preoperative target spherical equivalent (SE) and the postoperative one year four month SE were 9.68D in the right eye and 1.63D in the left eye. CONCLUSIONS: Due to high diopter IOL requirements in nanophthalmic patients (less than 16.00 mm) during cataract surgery, the refractive errors were well corrected, without complications, by using a piggyback method. In the present case study, the Hoffer Q formula produced better results than did the SRK/T or Holladay formula in reducing the difference in preoperative and postoperative SEs, but more surgical cases and research are required to establish the most appropriate formula for cataract surgery in nanophthalmos.

Key Words: Nanophthalmos;Piggyback method