Journal of American Association for Pediatric Ophthalmology and Strabismus
Major articleCase series of 12 children with progressive axial myopia following unilateral cataract extraction*
Section snippets
Patients and methods
A retrospective evaluation of the available records of 12 children who had undergone unilateral cataract surgery and subsequently developed progressive axial myopia was done. Nine cases were operated at our center and 3 cases had been operated outside the center and reported to our lens clinic with poor vision. Over the same period (12 years), a total of 4872 pediatric cataract surgeries had been performed and a total of 2029 children were seen in the lens clinic at our hospital. Most of our
Results
Twelve children (7 male, 5 female) were eligible for the study. Mean age at the time of cataract surgery was 6.7 ± 2.5 years (range, 4-11 years). Ten children (83.3%) had unilateral traumatic cataracts of which 8 had undergone primary repair of penetrating eye injuries and 2 had sustained blunt trauma. Of the latter 2 children, 1 (case 2, Table 1) underwent pars plana lensectomy and a secondary posterior chamber IOL implant 3 months later, and posterior chamber IOL exchange 4 years later, while
Discussion
Gordon and Donzis,15 in their study of the normal refractive development of the human eye, have found that the axial length progressively increases after birth and is within ± 1.0 mm of adult length by 5 to 6 years of age. A rapid postnatal growth phase of 3.7 to 3.8 mm in the first year of life, a slower infantile phase of increase of 1.1 to 1.2 mm up to 5 years of age, followed by a slow juvenile phase of increase of 1.3 to 1.4 mm up to 13 years of age has been described.16 The phenomenon of
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Cited by (7)
The relationship between anisometropia and amblyopia
2013, Progress in Retinal and Eye ResearchCitation Excerpt :The leptokurtosis seen in the refractive error distribution of normal eyes was also absent in a population with childhood visual anomalies and emmetropization failures were not restricted to cases of monocular visual disturbance (see also Rabin et al., 1981). As with the animal studies of failed emmetropization during and subsequent to deprivation, post-deprivation ametropia in humans results from anomalous axial growth of the eye (Hoyt et al., 1981; Shih et al., 1989; Mohney, 2002; Vanathi et al., 2002). Following unilateral childhood cataracts, Inatomi et al. (2004) report some cases of exaggerated eye growth that continues over the ten years following cataract removal and lens implantation (see also Vanathi et al., 2002).
Peripheral refraction in pseudophakic eyes measured by infrared scanning photoretinoscopy
2012, Journal of Cataract and Refractive SurgeryCitation Excerpt :An exception might be pseudophakic infants with neonatal cataract. Although it is generally assumed that a myopic shift in foveal refraction will occur over time as a consequence of normal axial eye growth with a fixed IOL power,27,28 there is evidence of slower axial elongation with IOLs than in fellow normal eyes29 or aphakic eyes.30 In those cases, imposed peripheral myopia could have a beneficial effect.
Unilateral axial length elongation with chronic traumatic cataracts in young Kenyans
2008, Journal of Cataract and Refractive SurgeryIntraocular Lens Power Calculation in Children
2007, Survey of OphthalmologyCitation Excerpt :Although some authors have shown that removing the crystalline lens and implanting an IOL may retard the axial elongation of the eye,18 most authors have found an overall myopic shift, which was greatest in the youngest patients and continued until at least age 8 years as well as a marked variability in postoperative refraction.5,9,13,16,27,29,37 Vanathi et al noted a mean myopic shift of 7.35 D in 12 children (mean age 6.7 years) post-uniocular cataract surgery followed for a mean of 7.8 years.62 In a study of 52 eyes in 42 patients aged 12 months to 18 years undergoing cataract surgery with IOL implantation, Crouch reported a mean myopic shift of 3.66 D in children operated on at 3–4 years of age, 2.03 D in children operated on at 7–8 years of age, 1.88 D on children operated on at 9–10 years of age, 0.97 D on children operated on at 11–14 years of age, and 0.38 D on children operated on at 15–18 years of age.8
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Reprint requests: Radhika Tandon, MD, FRCOphth, FRCS, Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi 110029.