Glaucoma for medical students a ten minute presentation photos off the www & Good Hope David Kinshuck, Good Hope Hospital,

Glaucoma: what is happening Either: the drain blocks here Or poor blood supply here Damages the optic nerve..looks ‘caved in’, called ‘cupped’

Characteristic pattern to loss of visual field Rim of optic nerve becomes thinner as disc caves in and becomes more cupped

Types of glaucoma Congenital Secondary Juvenile Chronic open angle Acute closed angle Many different types

Acute glaucoma Emergency Can be more gradual Red eye Achy, abdominal pain Misty vision Go from light into dark Small eye, shallow anterior chamber, pupil mid dilated, Iris lens contact Push the iris forward Eye feels hard

Chronic glaucoma Painless, common in elderly Don’t notice anything wrong detected by optometrist Screening vital field, pressure, disc