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Stereoacuity Among Patients with Refractive Error at University of Gondar, Northwest Ethiopia. | LitMetric

AI Article Synopsis

  • The study aimed to evaluate stereopsis levels and factors affecting it in adults with refractive errors, involving 153 participants at Gondar University Hospital.
  • Using various ophthalmic tests and statistical analysis, results showed that poor stereopsis decreased from 46.4% to 39.8% after correcting refractive errors.
  • Factors like age, visual acuity, type of refractive error, and fusional status were significantly linked to stereopsis, indicating a need for larger-scale studies on this topic.

Article Abstract

Purpose: This study aimed to assess the level of stereopsis, proportion of poor stereopsis, and factors influencing stereopsis in adults with refractive error.

Methods: This was a cross-sectional, descriptive study conducted on 153 adults with refractive error at Gondar University Hospital Tertiary Eye Care Center from April 08 to June 07, 2019. Structured questionnaires and ophthalmic instruments (Retinoscope, Worth Four Dot test and TNO Stereo plates) were used to collect the data. Data were entered and analyzed with Statistical Package for Social Sciences (SPSS) version 20. The result was summarized using summary statistics such as mean. Chi-squared test of association was applied between stereopsis and independent variables.

Results: The level of stereopsis after correction of refractive error ranged from 1.89 to 2.65 log arc second. Before correction of refractive error, poor stereopsis was observed in 46.4% of the participants, while after correction, it dropped to 39.8% (CI: 95%: 31.1%-47.8%). Stereopsis after correction had a significant association with age, best visual acuity, type of refractive error, and fusional status at distance with a p value < 0.05.

Conclusion: Given refractive error corrected, the mean stereopsis in patients with refractive error was 2.42 log arc second. Proportion of poor stereopsis was noted in 39.8% of the participants corrected for refractive error. Age, best corrected visual acuity, type of refractive error, and fusional status had a significant association with stereopsis. Further studies on stereoacuity on a large scale are recommended.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8315773PMC
http://dx.doi.org/10.2147/OPTO.S320043DOI Listing

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