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J Coll Physicians Surg Pak. 2014 Dec;24(12):918-21. doi: 12.2014/JCPSP.918921.

Axial length variability in cataract surgery.

Author information

1
Department of Ophthalmology, Liaquat University of Medical and Health Sciences, Jamshoro, Hyderabad.

Abstract

OBJECTIVE:

To determine the mean axial length and biometric measures in patients undergoing cataract surgery and further compare the variability of axial length between the gender and with age.

STUDY DESIGN:

Cross-sectional observational study.

PLACE AND DURATION OF STUDY:

Eye Unit I, Department of Ophthalmology, Liaquat University of Medical and Health Sciences, Hyderabad, Pakistan from January 2010 to December 2012.

METHODOLOGY:

All patients referred for cataract surgery were assessed. The study included 886 eyes which were straightforward cataract cases with no other ocular problem. The data was collected for axial length, keratometric values and Intra-Ocular Lens (IOL) power prior to cataract surgery. The collected data was then analyzed using SPSS version 19 for windows software.

RESULTS:

Gender based comparison showed significant difference in age, axial length, keratometric values and IOL power between the two groups (p=0.000). 86% of the eyes had an axial length between 21.00 mm and 23.99 mm. In univariate analysis there was significant (p=0.000) relation between overall age and axial length. The keratometric values ranged between 36.75 D and 52.50 D. Majority of the IOL powers ranged between 20.00 D and 23.00 D.

CONCLUSION:

The mean axial length of patients undergoing cataract surgery was 22.96 ± 1.04 mm, was comparable to Indian and Chinese population but shorter than the Western population. Females had shorter axial lengths, similar to other studies. Axial length was positively associated with age among the females, the cause of which is yet to be determined.

PMID:
25523728
DOI:
12.2014/JCPSP.918921
[Indexed for MEDLINE]

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