ABO Exam with 100% Correct Answers 2023

Change a bifocal Rx to a single vision Rx - Correct Answer-Add the bifocal power to the sphere powers. OD: -0.50 OS: -0.25-0.25x172 Add: +1.75 Turns intoOD: +1.25 OS: +1.50-0.25x172 Anisometropia - Correct Answer-There is a difference of 3 diopters between both eyes; when the vision of the eyes differs by a large margin. Antimetropia - Correct Answer-Refers to Rx's that differ in sign. Ex. OD: +0.25 OS: -0.75 Simple Hyperopia - Correct Answer-The Rx will be a + sphere Simple Myopia - Correct Answer-The Rx will be - sphere Marcus Gunn - Correct Answer-Tests to see if both pupils constrict when a light is shined in one eye. Tests for abnormalties in pupillary reaction. optotypes - Correct Answer-letters on the Snellen Chart Who is said to be the pioneer lens designer (1268) - Correct Answer-Roger Bacon Who is generally credited with the invention of spectacles? - Correct Answer-Salvino d'Armati of Florence, Italy (1285) When were minus or concave lenses invented? - Correct Answer-16th century for correction of myopic eyes (nearsightedness) When were toric lenses invented and by whom? - Correct Answer-19th century by Suscipi Who is credited with making the first bifocals? - Correct Answer-Benjamin Franklin (1784)Who aroused the interest of physicians concerning the exam