COA Flashcards - Equipment Maintenance and Repair 4% of exam
When cleaning the goniolens, what is used to rinse off the methycellulose?
Warm running water
Calibration of the applanation tonometer should be checked approximately every _____ months.
Two (or sooner with regular use)
When replacing a light bulb _____ can diminish its effectiveness and life.
Oil from fingers
Diagnostic lenses that come in contact with the eye can be sterilized using?
Ethylene Oxide gas
How should the removable glass slides inside the American Optical acuity projector be cleaned?
Wipe with clean, soft lint-free towel or photographic lens paper
If dust accumulates on the mirror of the slit lamp, the technician may clean it by using what cleaning methods?
A lint-free cloth, lens brush, or a blast of air.
Who should repair and maintain equipment such as a laser?
A qualified service technician
Which accessories are used to check the calibration of an ophthalmometer/keratometer?
Three test balls made of steel, also called “Lensco Meter”
What should be used to clean the accessible lenses of a phoropter?
Photographic lens cleaner and lens tissue
What size letters (optotypes) are typically used to calibrate visual acuity projectors?
20/200
