Glaucoma.

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Presentation transcript:

Glaucoma

What is Glaucoma? Glaucoma is a degenerative disease of the optic nerve In its most severe form, glaucoma can result in tunnel vision or blindness

The optic nerve The function of the optic nerve is to transmit information from the eye to the brain

Normal retina Optic nerve Macula Blood vessel

Damage to the optic nerve

Detecting Glaucoma The pressure inside the eyeball may be higher than normal This is extremely difficult to detect yourself

Main risk factors for glaucoma Age: over forty Family history: siblings, parents

Tests for glaucoma TONOMETRY Measures the pressure inside the eyeball by Non-contact tonometry a puff of air Contact tonometry usually involves the use of drops

Tests for glaucoma OPHTAHLMOSCOPY Use of a bright light to examine the retina Appraisal of the optic nerve head colour shape cup in centre

Tests for glaucoma VISUAL FIELD TEST Usually a computerised test Lights are shone in central and peripheral field A button is pressed when they are seen

Treatment for glaucoma Medications Surgery Regular monitoring

Early detection and treatment is vital Once vision is lost from glaucoma it can’t be restored It is often hard to notice any changes in your peripheral vision until they are advanced

An eye examination every two years is recommended Anyone over forty AND Anyone with a family history of glaucoma

Optometrists Provide a comprehensive visual examination Detect and diagnose eye health problems Prescribe and supply glasses and contact lenses when required Diagnose and treat eye coordination and focussing problems

To find an optometrist Optometrists Association Australia www.optometrists.asn.au Yellow Pages