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[Show more]Assessment of the quality of the peripheral curves (blends of a rigid contact lens) is achieved by 
the use of thea. profile analyzer 
b. shadow graph 
c. keratometer 
d. burton light - a. profile analyzer 
Contact lens power should be specified ina. back vertex power 
b. sphero-cylinder power 
c. p...
Preview 3 out of 25 pages
Add to cartAssessment of the quality of the peripheral curves (blends of a rigid contact lens) is achieved by 
the use of thea. profile analyzer 
b. shadow graph 
c. keratometer 
d. burton light - a. profile analyzer 
Contact lens power should be specified ina. back vertex power 
b. sphero-cylinder power 
c. p...
Which of the following medications may affect successful contact lens wear? 
A. Antacids 
B. Antihistamines 
C. Aspirin 
D. Laxatives - B. Antihistimines 
Which term refers to a sensitivity to light? 
A. Prebyopia 
B. Photophobia 
C. Pannus 
D. Ptosis - B. Photophobia 
The following is an example of...
Preview 3 out of 18 pages
Add to cartWhich of the following medications may affect successful contact lens wear? 
A. Antacids 
B. Antihistamines 
C. Aspirin 
D. Laxatives - B. Antihistimines 
Which term refers to a sensitivity to light? 
A. Prebyopia 
B. Photophobia 
C. Pannus 
D. Ptosis - B. Photophobia 
The following is an example of...
optic zone - - - the central portion of a contact lens which contains the refractive power and 
generally corresponds to the central corneal cap 
posterior apecal radius - - - this term is generally used in reference to spin-cast soft lenses. the 
curvature of the posterior surface of the lens chang...
Preview 4 out of 55 pages
Add to cartoptic zone - - - the central portion of a contact lens which contains the refractive power and 
generally corresponds to the central corneal cap 
posterior apecal radius - - - this term is generally used in reference to spin-cast soft lenses. the 
curvature of the posterior surface of the lens chang...
Which of the following medications may affect successful contact lens wear? 
a. antacids 
b. antihistamines 
c. aspirin 
d. laxatives - antihistamines 
Which term refers to a sensitivity to light 
A.presbyopia 
B.Photophobia 
C.Pannus 
D. Ptosis - Photophobia 
The following is an example of what typ...
Preview 4 out of 37 pages
Add to cartWhich of the following medications may affect successful contact lens wear? 
a. antacids 
b. antihistamines 
c. aspirin 
d. laxatives - antihistamines 
Which term refers to a sensitivity to light 
A.presbyopia 
B.Photophobia 
C.Pannus 
D. Ptosis - Photophobia 
The following is an example of what typ...
The tolerance for the overall lens diamter according to the ANSI standards is: 
A. +/-0.005mm 
B. +/-0.05mm 
C. +/-0.01mm 
D. +/-0.1mm - B. 
According to the ANSI standards (Z80.2-1989), the tolerance for the overall diameter of a contat 
lens is +/-0.05mm. ANSI standards have been developed to main...
Preview 3 out of 20 pages
Add to cartThe tolerance for the overall lens diamter according to the ANSI standards is: 
A. +/-0.005mm 
B. +/-0.05mm 
C. +/-0.01mm 
D. +/-0.1mm - B. 
According to the ANSI standards (Z80.2-1989), the tolerance for the overall diameter of a contat 
lens is +/-0.05mm. ANSI standards have been developed to main...
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