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Ghana is ranked second in worldwide statistics for the prevalence of glaucoma. [10] It is estimated that 600,000 Ghanaians are said to be suffering from glaucoma out of the number, 30,000 are likely to become blind if the disease is left untreated. [ 11 ]
Low-tension glaucoma MH Macular hole MI Myocardial infarction MS Multiple sclerosis NIDDM Non-insulin-dependent diabetes mellitus NRR Neuro-retinal rim NS Nuclear sclerosis: NTG Normal tension glaucoma: PDR Proliferative diabetic retinopathy PDT Photodynamic therapy: PK Penetrating keratoplasy: POAG Primary open-angle glaucoma PPDR
ONH is the single leading cause of permanent legal blindness in children in the western world. [12] The incidence of ONH is increasing, although it is difficult to estimate the true prevalence. Between 1980 and 1999, the occurrences of ONH in Sweden increased four-fold to 7.2 per 100,000, while all other causes of childhood blindness had declined.
Currently, the best sign of pediatric glaucoma is an IOP of 21 mm Hg or greater present within a child. [63] One of the most common causes of pediatric glaucoma is cataract removal surgery, which leads to an incidence rate of about 12.2% among infants and 58.7% among 10-year-olds. [63]
The diurnal variation for normal eyes is between 3 and 6 mmHg and the variation may increase in glaucomatous eyes. During the night, intraocular pressure may not decrease [17] despite the slower production of aqueous humour. [18] Glaucoma patients' 24-hour IOP profiles may differ from those of healthy individuals. [19]
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The current population of Ghana is estimated to be 30.42 million (around 50.9% is the male population, while the female population is around 49.1%) In Ghana the number of midwives per 1,000 live births is 5 and the lifetime risk of death for pregnant women 1 in 66.
The Ghana Optometric Association (GOA) is the country's governing body for the optometry profession. Since 2009 all optometrists wanting to be members have had to write a professional exam. Passing this exam gives the optometrist the certification to practice in Ghana. As of March 2010, GOA had 139 members. [3]