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ORIGINAL ARTICLE
Year : 2015  |  Volume : 3  |  Issue : 1  |  Page : 11-14

Assessment of biometry and keratometry in low and high degrees of myopia


1 Department of LVA, Makkah Eye Complex, Sudan Eye Center, Khartoum, Sudan
2 Faculty of Optometry, Al.Neelain University, Khartoum, Sudan

Correspondence Address:
Atif B Mohamed Ali
Faculty of Optometry, Al.Neelain University, Khartoum
Sudan
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DOI: 10.4103/1858-6538.169309

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Purpose: To investigate the possible ocular biometric and keratometric changes in low and high degrees of simple myopia. Subjects of Methods: A sample of 60 myopic subjects their ages between 10 and 30 years recruited from the Makkah Eye Hospital in Khartoum. In this sample, 30 subjects with myopia < 3.00 D and other 30 subjects with myopia > 6.00 D. Auto keratometry and A-scan biometry were measured from two eyes of each subject. Results: Subjects with high myopia have longer axial length (AL) (P < 0.0001) compared to low myopic subjects. No significant difference found in front surface corneal power or type of corneal astigmatism between the two groups. Conclusion: Like previous studies myopia mainly develops with increases in AL of the eye rather than optical changes in cornea or lens.


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