QUESTIONS AND ANSWERS FOR ABO EXAM 2023/2024

QUESTIONS AND ANSWERS FOR ABO EXAM 2023/2024 The ability of the eye to focus on objects at different distances - CORRECT ANSWERAccommodation Fresnel optics - CORRECT ANSWER-Press on prism Frame material that resist stretching with heat - CORRECT ANSWER-Nylon Bridge type that spreads weight over the greatest area - CORRECT ANSWER-Saddle Amount of jump image is not affected by - CORRECT ANSWER-The seg inset Double vision - CORRECT ANSWER-Diplopia Modern AR coated lenses transmit how much light - CORRECT ANSWER-99.5% Shortest wavelength - CORRECT ANSWER-Violet The condition where Rays of light focus behind the retina - CORRECT ANSWERHyperopia Condition where pressure inside the eye is dangerously high - CORRECT ANSWERGlaucoma In the frame boxing system,the distance from right lens geometric center to left lens geometric center - CORRECT ANSWER-Frame PD G-15 Lenses transmit how much light - CORRECT ANSWER-85% What type of temple is best for active kids - CORRECT ANSWER-Riding bow Heating a Zyl frame and quenching it in cold water causes it to - CORRECT ANSWERShrink How many inches is .5 meters - CORRECT ANSWER-19.7 10 inches is approximately how many meters - CORRECT ANSWER-1/4 The index of refraction of a material - CORRECT ANSWER-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 - CORRECT ANSWERCause destructive interference to different light colors What kind of distortion is characteristic of a high minus lens - CORRECT ANSWERBarrel When calculating vertical imbalance, what does NOT need to be considered - CORRECT ANSWER-Cylinder power in the 90 degree meridian The index of refraction is lowest in - CORRECT ANSWER-Air Light changing direction when passing from one clear medium to another - CORRECT ANSWER-Refraction The wave particle duality means that light - CORRECT ANSWER-Displays both particle and wave behavior Cloudiness of the crystalline lens - CORRECT ANSWER-Cataract A patient with a PD of 65 chooses a 54-18 frame. What will the decentration be in each eye - CORRECT ANSWER-3.5mm in Patient PD > - CORRECT ANSWER-Decentration is out Patient PD < - CORRECT ANSWER-Decentration is in Light passing through a prism is bent toward - CORRECT ANSWER-Base What type of lens surface cannot be accurately measured with a lens clock - CORRECT ANSWER-Aspheric Which has the longest wavelength - CORRECT ANSWER-Red The wavelengths of light visible to humans is between - CORRECT ANSWER-380 and 750 nonometers A -6.50 lens decentered 2 mm results and how much prism - CORRECT ANSWER-1.3 Lens power tolerance standards are defined by - CORRECT ANSWER-ANSI The agency that regulates eye glasses and contact lenses - CORRECT ANSWER-FDA What is the minimum center thickness for a minus lens in a pair of industrial safety glasses - CORRECT ANSWER-3.0 mm