JPMA. The Journal of the Pakistan Medical Association · 2026
Frequency of nystagmus in retinitis pigmentosa patients.
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Hameed Maryam, Mansha Maryam, Shabir Maham, Iftikhar Maryam, Elahi Usama, Zahid Mawra
Аннотация
OBJECTIVE: To determine the frequency of nystagmus experienced by patients with retinitis pigmentosa.
METHODS: The descriptive study was conducted at the University of Lahore Teaching Hospital, Lahore, Pakistan, from May to August 2024, and comprised patients aged 5-50 years receiving care for retinitis pigmentosa. To assess the kind and degree of retinitis pigmentosa, the patients were subjected to anterior segment examination, cover-uncover test, and pen torch examination. Data was analysed using SPSS 20.
RESULTS: Of the 25 patients with a mean age of 27.16±11.28 years, 16 (64%) were females. Overall, 15 (60%) patients were classified as blind, and 5 (20%) retained normal visual acuity. Nystagmus was present in 8 (32%) of the participants, predominantly among those with blindness (p= 0.377). Nystagmus was more frequent in females (6/16; 37.5%) than males. However, the difference was not statistically significant (p=0.734).
CONCLUSIONS: Bilateral blindness was the predominant outcome, with nystagmus affecting nearly one-third of patients regardless of visual acuity.
METHODS: The descriptive study was conducted at the University of Lahore Teaching Hospital, Lahore, Pakistan, from May to August 2024, and comprised patients aged 5-50 years receiving care for retinitis pigmentosa. To assess the kind and degree of retinitis pigmentosa, the patients were subjected to anterior segment examination, cover-uncover test, and pen torch examination. Data was analysed using SPSS 20.
RESULTS: Of the 25 patients with a mean age of 27.16±11.28 years, 16 (64%) were females. Overall, 15 (60%) patients were classified as blind, and 5 (20%) retained normal visual acuity. Nystagmus was present in 8 (32%) of the participants, predominantly among those with blindness (p= 0.377). Nystagmus was more frequent in females (6/16; 37.5%) than males. However, the difference was not statistically significant (p=0.734).
CONCLUSIONS: Bilateral blindness was the predominant outcome, with nystagmus affecting nearly one-third of patients regardless of visual acuity.