Curvature correction - Study guides, Class notes & Summaries

NAO VOLUME 3 QUESTIONS AND ANSWERS | LATEST VERSION | 2024/2025 | RATED A+ What is the main purpose of an optical prescription? An optical prescription is a written order specifying the refractive power of lenses needed to correct a patient's vision. What does "OD" mean on a prescription? OD stands for "oculus dexter," which is the Latin term for the right eye. How is "astigmatism" corrected in lenses? Astigmatism is corrected by using cylindrical lenses tha...

How are systemic medications administered? - Answer-Orally, injection (subcutaneously or intramuscularly) or intravenously How should drops be properly instilled into a patient's eye? - Answer-Into the lower cul de sac (lower fornix) What does the term idiosyncrasy refer to with ophthalmic drugs? - Answer-A bizarre, peculiar reaction to a drug that is not commonly seen, such as tremors, excitability or even collapse What is the name of the instrument used to neutralize lenses? - Answer-Le...

Acre - ANSWERA parcel of land measuring 43,560 square feet, or 208.71 feet square. Abutting - ANSWERImmediately adjacent, such as a parcel of land or body of water. Base Line - ANSWERThe imagery East-West line used in the government survey method of land description to establish the starting point for North and South description. Building code - ANSWERA group of ordinances that regulate building construction within a community Building line - ANSWERThe distance from the boundary line...

The refractive astigmatism indicated by the RX +1.50 -1.75 x 35 is - correct answerMixed The patient's RX is -1.75 -.50 x 120 with a +2.00 ADD standard trifocal. What is the power through the intermediate? - correct answer-.75 -.50 x 120 The Geneva lens measure is designed to measure - correct answerLens curvature The focal length of a +5.00 diopter lens is - correct answer20 cm The problem of prismatic imbalance at the reading level is called - correct answerAnisometropia Whic...

NAO Volume 2 Questions and Answers | Latest Update | 2024/2025 | 100% Pass What does the term "vertex distance" refer to in optics? Vertex distance is the space between the back surface of a spectacle lens and the front of the eye, impacting how lenses correct vision. How does a convex lens help in vision correction? A convex lens, which is thicker in the middle, converges light rays and is used to correct farsightedness. What is the purpose of a concave lens in eyewear? A c...

Certified Ophthalmic Assistant Exam with 100%Correct Answers 2024. How are systemic medications administered? - Answer Orally, injection (subcutaneously or intramuscularly) or intravenously How should drops be properly instilled into a patient's eye? - Answer Into the lower cul de sac (lower fornix) What does the term idiosyncrasy refer to with ophthalmic drugs? - Answer A bizarre, peculiar reaction to a drug that is not commonly seen, such as tremors, excitability or even collapse What...

CPO PRACTICE CARDS EXAM QUESTIONS AND VERIFIED CORRECT ANSWERS LATEST UPDATE 2024/2025 GRADED A+ What is true of a trifocal lens? a. Trifocal lenses are usually made of glass b. Has three different lens powers c. Has three different tints for lenses d. The middle lens is for reading a book b. Has three different lens powers What does a pachymeter measure? a. Pressure in the eye b. Thickness of the cornea c. Refractive power of the eye d. Curvature of the cornea b. Thickness of the ...

Ophthalmic prescription is the formula to correct what? - To correct refractive anomalies in an individual patient With prism, do you have to specify the direction? - Yes What does Anisometropia and Antimetropia have in common? - Both may result in the condition where unequal images are sent to the brain by the eyes. Aniseikonia - The condition that cause two unequal images being sent to the brain What lenses do you use to fix Aniseikonia? - Iseikonic Lenses When a patient comes up with...

NAO VOLUME IV QUESTIONS AND ANSWERS | LATEST UPDATE | 2024/2025 | 100% PASS How does a bifocal lens differ from a single-vision lens? A bifocal lens has two distinct optical powers to correct near and distance vision, while a single-vision lens has only one prescription. What does "base curve" refer to in the context of lens design? The base curve is the curvature on the front surface of the lens, affecting both fit and optical performance. What are photochromic lenses? Pho...

American Board of Opticianry (ABO) NCLE Questions Solved With Correct And Verified Answers The refractive astigmatism indicated by the RX +1.50 -1.75 x 35 is (Ans: - Mixed The patient's RX is -1.75 -.50 x 120 with a +2.00 ADD standard trifocal. What is the power through the intermediate? (Ans: - -.75 -.50 x 120 The Geneva lens measure is designed to measure (Ans: - Lens curvature The focal length of a +5.00 diopter lens is (Ans: - 20 cm The problem of prismatic imbalance at the r...