frame and lens shapes and features

Question 1

lens mountings

Answer 1

full rim- high rx
rimless- breaks easily
supra

Question 2

lens edge: bevel

Answer 2

high minus as for bevel to be pushed to the front so thickness pushed to back so less obvious

Question 3

lens edge: supra

Answer 3

requires minimum edge thickness

lens is unprotected at bottom

Question 4

lens edge: flat

Answer 4

rimless frame

strong materials

Question 5

lens edge: mini bevel

Answer 5

normal bevel but smaller

Question 6

rimless lens edges

Answer 6

flat
scalloped
faceted
inlaid

Question 7

fixed bride

Answer 7

pads moulded into the rim and same material as bridge- plastic lenses

Question 8

pads on arms

Answer 8

metals only
screwed in
made from silicone or acetate
can make more adjustments

Question 9

strap bridge

Answer 9

absorbs impact and needs less frequent adjustment

for infants

Question 10

different types of sides

Answer 10

drop end
loop end- paediatric dispense
curl sides- paediatric
skull grip