Which tint color most strongly absorbs blue light - Yellow
Looking below center of a minus lens results in base __ prism - Down
A -6.50 lens decentered 2 mm results and how much prism - 1.3
A lens front surface curve is +4.25 and the back surface curve is -7.00 -.50 X 65. What is the lens power? -
-2.75 - 0.50 X 65
A lens with a focal length of .5 meters has a power of - 2D
A patient with a PD of 65 chooses a 54-18 frame. What will the decentration be in each eye -
3.5mm in
A right eye obviously turning to the right is an example of - Exotropia
Amount of jump image is not affected by - The seg inset
An instant temperature check of the salt pan can be made with a - Finger
Cloudiness of the crystalline lens - Cataract
Corrected curve lenses attempt to maintain ocular curves between - -4.00 to -6.00
Double vision - Diplopia
, Excessive base down prism OU can cause - Feeling of walking down a hill
For most frames, standard pantoscopic angle - Is between 8 and 15 degrees from vertical
Frame material that resist stretching with heat - Nylon
Fresnel optics - Press on prism
G-15 Lenses transmit how much light - 85%
10 inches is approximately how many meters - 1/4
Heating a Zyl frame and quenching it in cold water causes it to - Shrink
How many inches is .5 meters - 19.7
How many muscles control the movement of the eye - 6
How much light is reflected from a CR - 39 lens surface - 4%
In the frame boxing system,the distance from right lens geometric center to left lens geometric center -
Frame PD
Invisible bifocals can be described as - Vanity lens
Lens clocks are calibrated to an index of - 1.53
Lens power tolerance standards are defined by - ANSI