Amblyopia of Refractive Origin: a Clinical Evaluation.
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Date
2014-01
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Abstract
Amblyopia is defined as unilateral or bilateral decrease in visual acuity without any organic ocular lesion. It generally
develops during the first decade of life when the visual system is vulnerable to deprivation. Unilateral amblyopia is
more common than bilateral and the amblyopic eye is called lazy eye. This study was carried out in Faridpur Medical
College & Hospital (FMCH) and Diabetic Association Medical College & Hospital (DAMCH) Faridpur, in the
department of Ophthalmology from January - 2010 to December 2012 with a view to establish that anisometropic
(Refractive) amblyopia is more in patients with astigmatism with the rule of both hypermetropic & myopic types also
astigmatism against the rule in hypermetropic patients but simple myopia is not associated with amblyopia. Clinically
diagnosed 110 patients of amblyopia of refractive origin were selected. Age of the patients was 6 to 15 years with
male & female ratio 1.2:1. There was no pathology in the eyes except refractive error. Refraction done all the cases
and found the following results: 26 cases (23.63%) of simple myopic astigmatism with the rule, 19 cases (17.27%) of
compound myopic astigmatism with the rule, 10 cases (9.09%) of simple hypermetropia, 38 cases (34.54%) of simple
hypermertopic astigmatism with the rule and 17 cases (15.45%) of compound hypermetropic astigmatism againt the
rule. No case of simple myopia was associated with amblyopia. Amblyopia was more in patients with astigmatism
with the rule of both hypermetropic and myopic types and also astigmatism against the rule in hypermetropic patients
but simple myopia was not associated with amblyopia.
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Keywords
Amblyopia, Hypermetropia, Myopia, Astigmatism
Citation
Hossain K A, Rashid M A, Islam A K M R. Amblyopia of Refractive Origin: a Clinical Evaluation. Faridpur Medical College Journal. 2014 Jan; 9(1): 35-36.