Flatter base curve - Study guides, Class notes & Summaries

NCLE Practice Exam with Complete Solutions base curve - ️️ refers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. optical zone - ️️ the chord diameter over which the base curve extends on the posterior surface of the contact lens, described in millimeters secondary or intermediate curves - ️️ lies between the base curve and the peripheral curve on the po...

NCLE Practice Questions and Answers 100% Pass base curve - Answer ️️ -refers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. optical zone - Answer ️️ -the chord diameter over which the base curve extends on the posterior surface of the contact lens, described in millimeters secondary or intermediate curves - Answer ️️ -lies between the base curve and the ...

base curve - ANSWER refers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. optical zone - ANSWER the chord diameter over which the base curve extends on the posterior surface of the contact lens, described in millimeters secondary or intermediate curves - ANSWER lies between the base curve and the peripheral curve on the posterior lens surface, usually 0.70mm to 1.50...

base curve -Answer refers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. optical zone -Answer the chord diameter over which the base curve extends on the posterior surface of the contact lens, described in millimeters secondary or intermediate curves -Answer lies between the base curve and the peripheral curve on the posterior lens surface, usually 0.70mm to 1.50mm ...

base curve - refers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. optical zone - the chord diameter over which the base curve extends on the posterior surface of the contact lens, described in millimeters secondary or intermediate curves - lies between the base curve and the peripheral curve on the posterior lens surface, usually 0.70mm to 1.50mm flatter than t...

posterior apecal radius - ANSWER-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 - ANSWER-occurs when the posterior radius of curvature is decreased (i.e. 8.4 to 8.1 mm) flatter base curve - ANSWER-occurs when the posterior radius of curvature is increased (i.e.8.1 to 8.4 mm) bicurve lens - A...

optic zone - ANSWER-the central portion of a contact lens which contains the refractive power and generally corresponds to the central corneal cap posterior apecal radius - ANSWER-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 - ANSWER-occurs when the posterior radius of curvature is decreased ...

Accommodation - The ability of the crystalline lens to adjust power to provide retinal focus of images of objects closer than optical infinity annular bifocal contact - A lens with distance portion ground into the center of the lens and the near portion ground into the periphery Anterior Bevel/CN Beve - Angulation applied to the anterior surface of a lens to reduce edge Thickness Anterior Optical Zone (AOZ) - Diameter of the anterior power curve Aphakia - Absence of the crystalline lens. ...

1.50 -1.50 x 180 - what is -3.00 +1.50 x 90 in minus cylinder form? -1.75 -1.25 x 180 - consider the following information and determine the lens power the lens power to be ordered RX -3.00 +1.25 x 90 diagnostic lens -3.00 -1.25 x 170 lens does not rotate -2.50 D - if a GP lens is fit 1.00 D flatter than flat K and the RX is -3.50 -0.25 x 180, what would be the power of the lens? -3.00 -1.25 x 05 - consider the following information and determine the lens power to be ordered RX: -3.00 -...

optic zone -Answer the central portion of a contact lens which contains the refractive power and generally corresponds to the central corneal cap posterior apecal radius -Answer 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 -Answer occurs when the posterior radius of curvature is decreased (i.e...