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  • Title: Mean intraocular pressure in Ghanaians.
    Author: Ntim-Amponsah CT.
    Journal: East Afr Med J; 1996 Aug; 73(8):516-8. PubMed ID: 8898466.
    Abstract:
    Intraocular pressure (IOP) was measured in 600 Ghanaians by applanation. They were aged 16 to 77 years with a mean age of 36 years and standard deviation of 12.91. Nineteen subjects (3%) were found to have glaucoma. Five hundred and forty-five qualified for analysis of IOP in non-glaucomatous eyes. The IOP in the latter ranged from 5 to 28 mmHg with a mean of 15.5, median 16, and standard deviation 3.70. The graph of mean IOP is slightly skewed to the right. The 95% confidence interval for mean intraocular pressure for the population is 15.3 to 15.7. The graph of IOP by age showed a slight drop in IOP after the 50-55 year age group. There was no significant difference between mean IOP in males and females (t statistic = 0.17, p > 0.5).
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