CPOA Chapter 11 Contact Lenses
Exam 2025 Questions and Answers
Which information is not part of the case history? - ANSWER✔✔-Fissure Size
A normal visible iris diameter measurement is - ANSWER✔✔-10.5- to 12.5- mm
A normal blink rate is - ANSWER✔✔-10 to 15 blinks per minute
Tear break-up time will usually _____ with contacts lens wear. - ANSWER✔✔-decrease
A clinical sign of giant papillary conjunctivitis (GPC) - ANSWER✔✔-papillae greater
than 1-mm in size
papillae located in all five zones
If the K readings are 42.50 @ 090 and 41.75 @ 180, the proper prescription to correct this
refractive error would be - ANSWER✔✔-+0.75 @ 180
The ability of a material to allow oxygen to pass through it is known as - ANSWER✔✔-
Dk and permeability
Exam 2025 Questions and Answers
Which information is not part of the case history? - ANSWER✔✔-Fissure Size
A normal visible iris diameter measurement is - ANSWER✔✔-10.5- to 12.5- mm
A normal blink rate is - ANSWER✔✔-10 to 15 blinks per minute
Tear break-up time will usually _____ with contacts lens wear. - ANSWER✔✔-decrease
A clinical sign of giant papillary conjunctivitis (GPC) - ANSWER✔✔-papillae greater
than 1-mm in size
papillae located in all five zones
If the K readings are 42.50 @ 090 and 41.75 @ 180, the proper prescription to correct this
refractive error would be - ANSWER✔✔-+0.75 @ 180
The ability of a material to allow oxygen to pass through it is known as - ANSWER✔✔-
Dk and permeability
