Ocular refractive and biometric characteristics in patients with tilted disc syndrome

Dehghani, Cirous, Nowroozzadeh, Mohammad Hosein, Shankar, Sunita, & Razeghinejad, Mohammad Reza (2010) Ocular refractive and biometric characteristics in patients with tilted disc syndrome. Optometry : Journal of the American Optometric Association, 81(12), pp. 688-694.

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Abstract

BACKGROUND

Tilted disc syndrome (TDS) is associated with characteristic ocular findings. The purpose of this study was to evaluate the ocular, refractive, and biometric characteristics in patients with TDS.

METHODS

This case-control study included 41 eyes of 25 patients who had established TDS and 40 eyes of 20 healthy control subjects. All participants underwent a complete ocular examination, including refraction and analysis using Fourier transformation, slit lamp biomicroscopy, pachymetry, keratometry, and ocular biometry. Corneal topography examinations were performed in the syndrome group only.

RESULTS

There were no significant differences in spherical equivalent (P = 0.13) and total astigmatism (P = 0.37) between groups. However, mean best spectacle-corrected visual acuity (Log Mar) was significantly worse in TDS patients (P = 0.003). The lenticular astigmatism was greater in the syndrome group, whereas the corneal component was greater in controls (P = 0.059 and P = 0.028, respectively). The measured biometric features were the same in both groups, except for the lens thickness and lens-axial length factor, which were greater in the TDS group (P = 0.007 and P = 0.055, respectively).

CONCLUSIONS

Clinically significant lenticular astigmatism, more oblique corneal astigmatism, and thicker lenses were characteristic findings in patients with TDS.

Impact and interest:

4 citations in Scopus
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2 citations in Web of Science®

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ID Code: 84774
Item Type: Journal Article
Refereed: Yes
Keywords: Tilted disc syndrome, Ocular biometry
DOI: 10.1016/j.optm.2010.03.009
ISSN: 1529-1839
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Optometry & Vision Science
Deposited On: 15 Jun 2015 00:10
Last Modified: 15 Jun 2015 23:58

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