Glaucoma Epidemiology

Glaucoma Epidemiology - are made incidentally on routine...

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Glaucoma Epidemiology Glaucoma is the leading cause of preventable blindness, and the third most common form of blindness after cataract and age-related macular degeneration. Glaucoma affects 1 in 200 people aged fifty and younger, and 1 in 10 over the age of eighty. Primary Open Angle Glaucoma is the commonest form, affecting approximately 2% of adults over 40. Primary Open Angle Glaucoma accounts for over 90% of all cases of Glaucoma. Angle Closure Glaucoma is very rare, especially in adults under 60. People with a family history and or hypermetropia (long sightedness) are at an increased risk of developing Primary Open Angle Glaucoma. Diagnosis Diagnosis of Acute Closure Glaucoma is made when there is a typical history; other forms of Glaucoma
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Unformatted text preview: are made incidentally on routine eye examinations. Investigations include:- Measurements of intraocular pressure (tonometry) o However checking intraocular pressure isn't enough since intraocular pressure changes and in 25% of patients with Glaucoma pressures are normal Gonioscopy an examination technique of the anterior chamber which utilises a corneal contact lens magnifying device which allows direct visualisation of the angle structures where the aqueous humour drains Optic disc assessment and retinal examination are essential as is assessing visual acuity so that progression can be monitored...
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