ABO, ABO STUDY GUIDE EXAM EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+

MBS formula - ANSWERSED+2 (decentration)+2 Focal length formula - ANSWERS1/Dioptic Power power Dioptic Power formula - ANSWERS1/Focal Length Antimetropia - ANSWERSRx with unlike signs in both eyes Anisometropia - ANSWERSDifference of 2 diopters btwn OD & OS Anisiekonia - ANSWERSWhen images from right and left eye are so different the brain can not achieve fusion What is the Radius of a 1 diopter curve? - ANSWERS530mm Radius formula - ANSWERS530/Power = Radius Power formula - ANSWERS530/Radius = Power Vertical Decentration formula - ANSWERSS. - B/2 How much HORIZONTAL prism tolerance is allowed? - ANSWERS2/3 of a diopter -or0.667 How much VERTICAL prism tolerance is allowed? - ANSWERS1/3 of a diopter -or0.333 Base Curve tolerance - ANSWERS+/-0.75 Sphere Tolerance up to 6.50 - ANSWERS+/- 0.13 Sphere Tolerance above 6.50 - ANSWERS+/- 2% Cylinder Tolerance 1.50 - ANSWERS+/-2° Cylinder Tolerance 0.50 / less than or equal to 1.50 - ANSWERS+/-3° Cylinder Tolerance 0.25 / less than or equal to 0.50 - ANSWERS