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Original Research 
RMJ. 2024; 49(3): 592-595


Comparison of intraocular pressure and cup disc ratio in high myope and high hyperope

Muhammad Arslan Ashraf, Mahar Safdar Ali Qasim, Sobia Yousaf, Kiran Shakeel Alvi, Umara Gul, Malaika Majeed.


Abstract
Objective: To compare and correlate intraocular pressure (IOP) and cup-to-disc (CD) ratio with high myopes and high hyperopes.
Methodology: This cross-sectional comparative study included 90 subjects visiting Riphah eye clinic, QIE campus, Lahore from Nov-22 to Oct-23. The subjects were divided into three groups: emmetropes (n=30), high hyperopes (n=30), and high myopes (n=20). Those with any ocular disorder other than refractive error were excluded. The IOP was measured by using a Goldmann applanation tonometer and cup-to-disc ratio was measured using an ophthalmoscope. The comparison and correlation of data were done using independent sample Kruskal Wallis test and Pearson correlation test.
Results: The mean IOP of emmetropes, hyperopes, and myopes was 12.4±0.84 mm Hg, 13.83±4.01 mm Hg, and 13.43±2.06 mm Hg, respectively (p=0.377). Mean CD ratio of emmetropes, hyperopes, and myopes was 0.25±0.05, 0.31±0.14, and 0.36±0.13, respectively (p=0.011). The IOP strongly correlated positively with CD ratio (r=0.779) and age (r=0.705). Likewise, CD ratio had a strong positive correlation with age.
Conclusion: There was a non-significant difference in IOP among emmetropes, myopes, and hyperopes. Moreover, myopes had a significantly sizeable CD ratio compared to emmetropes and hyperopes. The CD ratio was large in older subjects and positively correlated with IOP.

Key words: Myopia, hyperopia, intraocular pressure.


 
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How to Cite this Article
Pubmed Style

Ashraf MA, Qasim MSA, Yousaf S, Alvi KS, Gul U, Majeed M. Comparison of intraocular pressure and cup disc ratio in high myope and high hyperope. RMJ. 2024; 49(3): 592-595.

Web Style

Ashraf MA, Qasim MSA, Yousaf S, Alvi KS, Gul U, Majeed M. Comparison of intraocular pressure and cup disc ratio in high myope and high hyperope. https://www.rmj.org.pk/?mno=178389 [Access: September 12, 2024].

AMA (American Medical Association) Style

Ashraf MA, Qasim MSA, Yousaf S, Alvi KS, Gul U, Majeed M. Comparison of intraocular pressure and cup disc ratio in high myope and high hyperope. RMJ. 2024; 49(3): 592-595.


Vancouver/ICMJE Style

Ashraf MA, Qasim MSA, Yousaf S, Alvi KS, Gul U, Majeed M. Comparison of intraocular pressure and cup disc ratio in high myope and high hyperope. RMJ. (2024), [cited September 12, 2024]; 49(3): 592-595.


Harvard Style

Ashraf, M. A., Qasim, . M. S. A., Yousaf, . S., Alvi, . K. S., Gul, . U. & Majeed, . M. (2024) Comparison of intraocular pressure and cup disc ratio in high myope and high hyperope. RMJ, 49 (3), 592-595.


Turabian Style

Ashraf, Muhammad Arslan, Mahar Safdar Ali Qasim, Sobia Yousaf, Kiran Shakeel Alvi, Umara Gul, and Malaika Majeed. 2024. Comparison of intraocular pressure and cup disc ratio in high myope and high hyperope. Rawal Medical Journal, 49 (3), 592-595.


Chicago Style

Ashraf, Muhammad Arslan, Mahar Safdar Ali Qasim, Sobia Yousaf, Kiran Shakeel Alvi, Umara Gul, and Malaika Majeed. "Comparison of intraocular pressure and cup disc ratio in high myope and high hyperope." Rawal Medical Journal 49 (2024), 592-595.


MLA (The Modern Language Association) Style

Ashraf, Muhammad Arslan, Mahar Safdar Ali Qasim, Sobia Yousaf, Kiran Shakeel Alvi, Umara Gul, and Malaika Majeed. "Comparison of intraocular pressure and cup disc ratio in high myope and high hyperope." Rawal Medical Journal 49.3 (2024), 592-595. Print.


APA (American Psychological Association) Style

Ashraf, M. A., Qasim, . M. S. A., Yousaf, . S., Alvi, . K. S., Gul, . U. & Majeed, . M. (2024) Comparison of intraocular pressure and cup disc ratio in high myope and high hyperope. Rawal Medical Journal, 49 (3), 592-595.


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