visual standards. what are visual standards? many occupations and activities require people to have...
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Visual standards
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What are visual standards?• Many occupations and activities
require people to have particular levels of vision
• Visual standards are needed for personal and public safety
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What professions require visual standards?• Motor vehicle
drivers
• Train and tram operators
• People in the maritime industry
• Metropolitan Ambulance
• People in the aviation industry
• Australian Defence Force
• Victorian and Federal Police
• Metropolitan Fire and Emergency Services
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Visual standards are also required for
• Operators of Cranes,
hoists and forklifts
• Laser users
• People involved in
motor sports
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Visual standards are used by
• General Practitioners
• Medical Specialists
• Optometrists
• Psychologists
• Physiotherapists
• Occupational
therapists
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Tests• Visual acuity
• Colour vision
• Visual field
• Binocular
function
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Visual Acuity• A measure of how
clearly you can see
• Measured with a
letter chart at a
distance (usually 6m)
• Decreased by
refractive error,
cataract
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Colour vision defects• Most commonly
red/green• 8% of males ,
0.5% of females
• Affects colour discrimination, colour matching and career choices
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Visual field• A measure of how well
you can see with your side vision
• Decreased with eye disease
– Glaucoma
– Retinitis Pigmentosa
• Computerised test
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Binocular vision
• Two eyes work together for full depth perception or “stereopsis”
• Glasses can help eyes focus equally
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Visual standards and occupations
Each particular occupation will have
different visual standards,
depending
on the visual tasks and the risk
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A manual outlining visual standards is
available from Optometrists Association Australia
www.optometrists.asn.au
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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
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Optometrists• Are university educated and
undertake continuing professional
education
• No referral is required
• Eye tests attract a medicare rebate
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To find an optometrist• Optometrists Association
Australia
www.optometrists.asn.au
• Yellow Pages