What is refractive power - Study guides, Class notes & Summaries

ODP Spectacle Final Exam Questions and Answers All Correct When would a frontal angle be seen? - Answer-While observing the nose from the front What is one possible reason to use a material that naturally creates more power? - Answer-To create a flatter curve The conjunctiva is considered: - Answer-A mucous membrane A patient who enjoys archery often finds that the target seems difficult to see clearly. What tint added to his spectacles may help this situation? - Answer-Yellow Which...

ABO advance study guide test questions and answers verified 100% When taking seg height measurements, which of the following situations could result in a parallax error? - Patient sitting/ dispenser standing erect Which of the following is not significant in identifying the problem of vertical imbalance? - Patient's age Which of the following elements is NOT critical when determining vertical imbalance? - Lens power in the 180 degree meridian A prism will displace the object be...

To widen the distance between the pads of a frame or mounting, bent the pad arms: - Outward/Angle the temples upward from the end pieces. A reverse slab-off is molded with base _____ prism in the near portion of the lens. - Down Multifocal height is usually determined by measuring from the: - Lower edge of the lens. If the pad arms are lengthened, this adjustment will: - Push the front out more. A semi-rimless mounting consists of: - A center piece with lens bars connecting the end p...

Test Bank for Essential Cell Biology 5th Edition Alberts Hopkin ESSENTIAL CELL BIOLOGY, 5th EDITION CHAPTER 1: CELLS: THE FUNDAMENTAL UNITS OF LIFE Unity and Diversity of Cells 1-1 Living systems are incredibly diverse in size, shape, environment, and behavior. It is estimated that there are between 10 million and 100 million different species. Despite this wide variety of organisms, it remains difficult to define what it means to say something is alive. Which of the following can be desc...

How many Australians have diabetes? 1.7 million What % of diabetes is type 2? 90% 90% What is type 1 diabetes? Immune mediated destruction of B cells What is type 2 diabetes? B cell dysfunction and insulin resistance B cell dysfunction and insulin resistance Who is at risk of type 2 diabetes? >40, waistline >80cmF/>94cmM, south Asian or African descent, polycystic ovaries, gestational diabetes, mental illness medication How is type 2 diabetes diag...

CPO EXAM QUESTIONS AND 100%CORRECT ANSWERS Optometrist - CORRECT ANSWER-State License independent primary health care provider who examines, diagnoses, treats, and manages disease and disorders of the visual system, and the associated structures as well as diagnoses related systemic conditions. Optometrist requirements - CORRECT ANSWER-Completion of a 4-year degree is followed by four years of education and training from an accredited optometry school = OD. This may be followed by ...

OCANZ Optometry final exam Questions and Answers 100% Correct Answers emmetropia - CORRECT ANSWER-optical state of the eye in which parallel light enters the eye and focuses on the retina without the need for any corrective lenses or accommodation; this is the absence of refractive error and the "normal" or ideal state of the eye ametropia - CORRECT ANSWER-refractive error, "abnormal" optical state of the eye in which parallel light rays enter the eye and focus on an area other t...

OCANZ Optometry final exam Questions and Answers 100% Correct Answers emmetropia - CORRECT ANSWER-optical state of the eye in which parallel light enters the eye and focuses on the retina without the need for any corrective lenses or accommodation; this is the absence of refractive error and the "normal" or ideal state of the eye ametropia - CORRECT ANSWER-refractive error, "abnormal" optical state of the eye in which parallel light rays enter the eye and focus on an area other t...

How does refractive power of a lens change if its radius of curvature decreases? - The power increases How does refractive power of a lens change if its radius of curvature increases? - The power decreases What is radius of curvature in case of a lens? - Flattener lens= larger radius of curvature. More rounded lens=lesser radius of curvature. How does refractive power of a lens change if its index of refraction increases? - Refractive power will increase Calculate the refractive power o...

The refractive astigmatism indicated by the RX +1.50 -1.75 x 35 is - Precise Answer 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? - Precise Answer -.75 -.50 x 120 The Geneva lens measure is designed to measure - Precise Answer Lens curvature The focal length of a +5.00 diopter lens is - Precise Answer 20 cm The p