Geometric optic - Study guides, Class notes & Summaries

optic zone correct answers the central portion of a contact lens which contains the refractive power and generally corresponds to the central corneal cap posterior apecal radius correct answers this term is generally used in reference to spin-cast soft lenses. the curvature of the posterior surface of the lens changes with the refractive power. the radius of curvature is measured at the apex of the posterior surface. steeper base curve correct answers occurs when the posterior radius of cu...

NCLE Study Guide Questions with Correct Answers Back Surface Power - Answer-Effective power of a lens when measured from the back surface. Back Surface Toric Lens - Answer-A lens in which the posterior surface has two different radii and the anterior surface is spherical. Ballasted Lens - Answer-A lens with a heavier base which becomes oriented inferiorly or downward when the lens is worn. Bicurve Lens - Answer-A contact lens which contains two curves: one base curve and one secondary...

NBE - RESTORATIVE ART VERIFIED 100% SOLUTIONS The mandibular sulcus is what type of facial marking? a. Normal b. Acquired c. Natural d. Abnormal - ANSWER b. Acquired The hue sequence pink, rose, cherry is indicative of red that has been: a. Shaded b. Greyed c. Tinted d. Toned - ANSWER c. Tinted The photo view which would best help restore a fractured zygomatic bone is: a. Profile b. Sagittal c. Anterior-Frontal d. Posterior - ANSWER c. Anterior-Frontal The eyelids, in natur...

ABO REVIEW LATEST 2023 GRADED A+ Sclera Tough, white outer coat of the eyeball myopia nearsightedness; the condition in which parallel rays of light are brought into focus in front of the retina, rather than on it reflection light that bounces back refraction when the direction of light changes as it passes from one medium to another(bending of light) presbyopia Age of 40 need reading glass crystalline lens diminishes frame difference the difference betweeen the horizontal and vertical meas...

COT Clinical Optics Exam Review Manual 2024 Actual Questions and Answers with complete solution The range of wavelengths in the visible spectrum is: a) 100 to 400 nanometers b) 400 to 800 nanometers c) 450 to 650 nanometers d) 400 to 800 meters (m) 400 to 800 nanometers Immediately on either side of the visible spectrum are the invisible light segments of: a) Infrared and ultraviolet b) X-rays and radio waves c) Gamma rays and laser d) Microwaves and radar Infrared and ultraviolet ...

ABO REVIEW Test Questions with Correct Answers Sclera - Answer-Tough, white outer coat of the eyeball myopia - Answer-nearsightedness; the condition in which parallel rays of light are brought into focus in front of the retina, rather than on it reflection - Answer-light that bounces back refraction - Answer-when the direction of light changes as it passes from one medium to another(bending of light) presbyopia - Answer-Age of 40 need reading glass crystalline lens diminishes f...

1 Folic acid has tetrahydrofolate coenzyme activity which is based on the: a. pyrimidine ring. b. purine ring. c. pyrazine ring. d. pteridine ring. e. pyridine ring. d 2 Enkephalins are peptides that: a. have narcotic antagonist activity. b. exert actions resembling those of opioids. c. are found only in the central nervous system. d. cause blood vessel wall relaxation. e. transmit pain impulses. b 3 β-Carotene is the precursor of: a. retinol. b. thiamine. c. calciferol...

NBE - RESTORATIVE ART VERIFIED 100% SOLUTIONS The mandibular sulcus is what type of facial marking? a. Normal b. Acquired c. Natural d. Abnormal - ANSWER b. Acquired The hue sequence pink, rose, cherry is indicative of red that has been: a. Shaded b. Greyed c. Tinted d. Toned - ANSWER c. Tinted The photo view which would best help restore a fractured zygomatic bone is: a. Profile b. Sagittal c. Anterior-Frontal d. Posterior - ANSWER c. Anterior-Frontal The eyelids, in natur...

NCLE Study Guide Questions with Correct Answers Back Surface Power - Answer-Effective power of a lens when measured from the back surface. Back Surface Toric Lens - Answer-A lens in which the posterior surface has two different radii and the anterior surface is spherical. Ballasted Lens - Answer-A lens with a heavier base which becomes oriented inferiorly or downward when the lens is worn. Bicurve Lens - Answer-A contact lens which contains two curves: one base curve and one secondary...

NCLE Study Guide Questions with Correct Answers Back Surface Power - Answer-Effective power of a lens when measured from the back surface. Back Surface Toric Lens - Answer-A lens in which the posterior surface has two different radii and the anterior surface is spherical. Ballasted Lens - Answer-A lens with a heavier base which becomes oriented inferiorly or downward when the lens is worn. Bicurve Lens - Answer-A contact lens which contains two curves: one base curve and one secondary...