Abstract
Outcome of Refractive IOL Exchange in Traumatic Unilateral Axial Myopia
Highlights
Ocular trauma occurring in childhood, adolescence or young adulthood causes unilateral increase in Axial Length (AL)
We report two pseudophakic cases with differing sequence of events managed optimally with Intra Ocular Lens (IOL) exchange after stabilization of their refractive status
Whether penetrating or blunt, with or without prolonged visual deprivation causes ipsilateral unilateral elongation of the eyeball [1]. This abnormal unilateral increase in AL is attributable to multiple factors including altered scleral rigidity with errors in ultramicroscopic arrangement and growth of scleral fibres, increase in Intra Ocular Pressure (IOP) and ocular surgeries [2,3]
Summary
Ocular trauma occurring in childhood, adolescence or young adulthood causes unilateral increase in Axial Length (AL). Paediatric cataract surgery especially for traumatic cataract, in contrast to developmental cataract causes accelerated increase in AL [1]. Altered scleral rigidity following trauma and ocular surgery could be a possible cause for this. We report two pseudophakic cases with differing sequence of events managed optimally with Intra Ocular Lens (IOL) exchange after stabilization of their refractive status. B-scan of RE was normal with no evidence of retinochoroidal detachment or any intraocular foreign body. He underwent uneventful small incision cataract surgery with implantation of three pieces rigid Polymethylmethacrylate (PMMA) IOL+22.0D (B3602 Aurolab). Post ND-YAG laser, his vision improved to 6/9 and was under regular review with stable refraction till 2008. An 8 years old child presented in 2003 with the complaint of follow-up visits, there was a gradual deterioration of vision and defective vision in right eye (RE) following a penetrating ocular injury increase in AL (Table 1)
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