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WorksheetsArchived - ACOD Workshop 3
Total questions: 10
Worksheet time: 5mins
The letters MSU stand for
Minimum size uncut
Minimum surface underneath
Maximum size uncut
Multiple sizes uncut
Which of the following factors does not affect the thickness of a lens
The lens power
The refractive index
The final adjustment on the frame
The lens diameter
Generally, lens thickness is measured in
Degrees
Dioptres
Centimetres
Millimetres
Bifocal lens designs include
D-seg, curved-top and executive
D-seg, Flat-top and degressive
D-seg, E-line and enhanced reader
Flat-top, curved-top and hard-top
One advantage of progressive lenses is
wide view for intermediate use
excellent peripheral vision
a complete range of working distances
changes colour in the sun
Advantages of a supersoft lens design include
wider areas of vision with 3 distinct focal length
wider areas of vision with gentle increase on unwanted astigmatism
longer reading corridor with sharp increase on unwanted astigmatism
wider areas of vision with sharp increase on unwanted astigmatism
Dispensing measurements required for the fitting of progressive lenses include
binocular PDs and binocular heights
monocular PDs and intraocular pressure
monocular PDs and monocular heights
monocular PDs and length to bend
Rubbing the contact lens with fingers is
Recommended to help keep the lens flexible
Recommended as part of the cleaning process
Recommended only when the lenses are dry
Is never recommended and could damage the lenses
If wetting solution is unavailable, saliva
Can be freely substituted
Can be used sparingly
Should never be used
Saliva is an identical substitute
The first step in lens handling is always
Wash and thoroughly dry your hair
Rinse the lenses with saline solution
Wash and thoroughly dry your hands
Wash and thoroughly dry the contact lens
