ABO/NOCE prep
What prisms combination will cancel? - ANS BU/BU
BD/BD
BI/BO
What prism combinations will compound? - ANS BU/BD
BI/BI
BO/BO
How do you convert centimeters to millimeters? (cm to mm) - ANS Multiply by 10
How do you convert millimetes to centimeters? (Mm to Cm) - ANS Divide by 10
What is Prentice's formula? - ANS Prism=lens power × decentration
What is the formula to find total decentration? - ANS (A+DBL) - PD
What is the formula for Minimum Blank Size? - ANS MBS=TD+ED+2mm
What is the formula to find GCD or Frame PD? - ANS GCD= A+DBL
What is responsible for processing color? - ANS Cones
What is responsible for processing in black + white? - ANS Rods
What are the 3 fluid chambers of the eye? - ANS Anterior
Posterior
Vitreous
What controls the amount of light allowed through the pupil? - ANS The iris
Emmetropia - ANS All rays of light focus on the Retina without the need of corrective lenses
(Perfect Vision)
Presbyopia - ANS Inability to read fine print
Myopia - ANS Near sighted
Can not see in the distance but can see up close
Needs a minus lens
Hyperopia - ANS Farsighted
What prisms combination will cancel? - ANS BU/BU
BD/BD
BI/BO
What prism combinations will compound? - ANS BU/BD
BI/BI
BO/BO
How do you convert centimeters to millimeters? (cm to mm) - ANS Multiply by 10
How do you convert millimetes to centimeters? (Mm to Cm) - ANS Divide by 10
What is Prentice's formula? - ANS Prism=lens power × decentration
What is the formula to find total decentration? - ANS (A+DBL) - PD
What is the formula for Minimum Blank Size? - ANS MBS=TD+ED+2mm
What is the formula to find GCD or Frame PD? - ANS GCD= A+DBL
What is responsible for processing color? - ANS Cones
What is responsible for processing in black + white? - ANS Rods
What are the 3 fluid chambers of the eye? - ANS Anterior
Posterior
Vitreous
What controls the amount of light allowed through the pupil? - ANS The iris
Emmetropia - ANS All rays of light focus on the Retina without the need of corrective lenses
(Perfect Vision)
Presbyopia - ANS Inability to read fine print
Myopia - ANS Near sighted
Can not see in the distance but can see up close
Needs a minus lens
Hyperopia - ANS Farsighted