Optometry > QUESTIONS & ANSWERS > ABO Test Practice (All)

ABO Test Practice

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ABO Test Practice The ability of the eye to focus on objects at different distances - ✔✔Accommodation Fresnel optics - ✔✔Press on prism Frame material that resist stretching with heat - ✔✔Nylon Bridge type that spreads weight over the greatest area - ✔✔Saddle Amount of jump image is not affected by - ✔✔The seg inset Double vision - ✔✔Diplopia Modern AR coated lenses transmit how much light - ✔✔99.5% Shortest wavelength - ✔✔Violet The condition where Rays of light focus behind the retina - ✔✔Hyperopia Condition where pressure inside the eye is dangerously high - ✔✔Glaucoma In the frame boxing system,the distance from right lens geometric center to left lens geometric center - ✔✔Frame PD G-15 Lenses transmit how much light - ✔✔85% What type of temple is best for active kids - ✔✔Riding bow Heating a Zyl frame and quenching it in cold water causes it to - ✔✔Shrink How many inches is .5 meters - ✔✔19.7 10 inches is approximately how many meters - ✔✔1/4 The index of refraction of a material - ✔✔The speed of light in air divided by the speed light in the material The multiple anti reflective of an AR lens stack are designed to - ✔✔Cause destructive interference to different light colors What kind of distortion is characteristic of a high minus lens - ✔✔Barrel When calculating vertical imbalance, what does NOT need to be considered - ✔✔Cylinder power in the 90 degree meridian The index of refraction is lowest in - ✔✔Air Light changing direction when passing from one clear medium to another - ✔✔Refraction The wave particle duality means that light - ✔✔Displays both particle and wave behavior Cloudiness of the crystalline lens - ✔✔Cataract A patient with a PD of 65 chooses a 54-18 frame. What will the decentration be in each eye - ✔✔3.5mm in Patient PD > - ✔✔Decentration is out Patient PD < - ✔✔Decentration is in Light passing through a prism is bent toward - ✔✔Base What type of lens surface cannot be accurately measured with a lens clock - ✔✔Aspheric Which has the longest wavelength - ✔✔Red The wavelengths of light visible to humans is between - ✔✔380 and 750 nonometers A -6.50 lens decentered 2 mm results and how much prism - ✔✔1.3 Lens power tolerance standards are defined by - ✔✔ANSI The agency that regulates eye glasses and contact lenses - ✔✔FDA What is the minimum center thickness for a minus lens in a pair of industrial safety glasses - ✔✔3.0 mm Plastic and tempered glass lenses are considered to be - ✔✔Impact resistant Which tint color most strongly absorbs blue light - ✔✔Yellow Polarized lenses are most effective at blocking - ✔✔Horizontally polarized glare Invisible bifocals can be described as - ✔✔Vanity lens The Gelatinous material filling the central cavity of the eye - ✔✔Vitreous humor A right eye obviously turning to the right is an example of - ✔✔Exotropia Lensometers give accurate reading when - ✔✔▪️the eyepiece is focused ▪️properly calibrated Looking below center of a minus lens results in base __ prism - ✔✔Down An instant temperature check of the salt pan can be made with a - ✔✔Finger The lighted lines that get focused in a lensometer - ✔✔Mires Excessive base down prism OU can cause - ✔✔Feeling of walking down a hill Corrected curve lenses attempt to maintain ocular curves between - ✔✔-4.00 to -6.00 The rule of thumb for minus lenses is to add approximately __ to the lens power to get the base curve - ✔✔+6.00 To adjust nose pad arms opticians use - ✔✔▪️nose pad pliers

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