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Refractive errors in presbyopic patients in Kano, Nigeria
Abdu Lawan1, Eme Okpo, Ebisike Philips
1Department of Ophthalmology, Bayero University Kano, Bayero University, Kano, Nigeria.
Annals of African Medicine
|February 14, 2014
Summary
Presbyopia is common in eye clinic patients, often co-occurring with other refractive errors like astigmatism and hypermetropia. Comprehensive eye exams are recommended for accurate diagnosis and correction.
Area of Science:
- Ophthalmology
- Optometry
- Public Health
Background:
- Retrospective review of refractive errors in presbyopic patients.
- Data collected from January to December 2009 at an eye clinic.
- Focus on the pattern of refractive errors among the presbyopic population.
Purpose of the Study:
- To determine the prevalence and pattern of refractive errors in presbyopic patients.
- To analyze the types of refractive errors associated with presbyopia.
- To understand the demographic distribution of refractive errors in this group.
Main Methods:
- Retrospective analysis of 644 presbyopic patients' records.
- Extracted data included age, sex, and refractive error types.
- Visual acuity assessed using Snellen's/"E" and Jaeger's charts; refraction by streak retinoscopy.
Main Results:
- Presbyopia represented 10.9% of clinic attendance and 40% of refractive errors.
- Astigmatism (41%), hypermetropia (29%), myopia (9%), and aphakia (4%) were common.
- Refractive errors were significantly more prevalent in females (P=0.017).
Conclusions:
- Presbyopia is a frequent condition in eye clinics, often accompanied by other refractive errors.
- Astigmatism and hypermetropia are significant co-occurring conditions.
- Full refractive correction is advised for all patients presenting with presbyopia.
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