OPT-2501-Cntct Lns Theory II Unit 3 Flashcards
WHICH OF THE FOLLOWING INSTRUMENTS IS BEST USED TO CHECK FOR LENS WARPAGE?
MEASURING MAGNIFIER
A CONTACT LENS WEARER MAY EXPERIENCE EDEMA OF THE CORNEA BECAUSE OF :
ABSORPTION OF TEARS INTO THE CORNEA.
WHICH OF THE FOLLOWING NEED NOT BE RECORDED ON EACH FOLLOW UP VISIT ?
ORIGINAL Rx AND LENS SPECIFICATIONS
A PATIENT COMPLAINS THAT THE CONTACT LENS IN HIS RIGHT EYE IS IRRITATING. UPON SLIT LAMP EXAMINATION YOU DISCOVER AN EMBEDDED FOREIGN BODY. YOU SHOULD:
SEND THE PATIENT TO A DOCTOR
EPITHELIAL EDEMA WHICH MANIFESTS ITSELF CLINICALLY AS A GREY CORNEAL HAZE, IS VERIFIED BY THE SLIT LAMP USING SCLEROTIC SCATTER ILLUMINATION. WHAT SPECIFIC TECHNIQUE DOES THE EXAMINER USE TO SEE THIS CONDITION?
THE NAKED EYE AND AN ANGLE BETWEEN THE SLIT LAMP BEAM AND THE EYE OF 45 to 90 DEGREES
PERIPHERAL LIMBAL STAINING AT 3:00 AND 9:00 IS A RESULT OF :
EXPOSURE CAUSING LIMBAL DRYNESS
BUBBLES TRAPPED UNDER A RIGID LENS MAY RESULT
DIMPLE VEILING
IF FOGGING OCCURES IMMEDIATELY UPON INSERTION OF A CONTACT LENS:
THE LENSES WERE NOT CLEANED PROPERLY
POOR VISION AFTER CONTACT LENSES HAVE BEEN REMOVED AND REPLACED WITH SPECTACLES IS CALLED:
SPECTACLE BLUR
LID EVERSION IS NECESSARY TO OBSERVE WHICH OF THE FOLLOWING CONDITIONS?
GIANT PAPILLARY CONJUNTIVITIS
FOLLOW UP KERATOMETER READINGS ON AN ADAPTED RIGID LENS WEARER SHOULD BE WITHIN ______ FROM THE ORIGINAL READINGS.
.50D
WHICH OF THE FOLLOWING SHOULD A FITTER DO WHEN A SIGNIFICANT FOREIGN BODY STAIN ON THE CORNEA IS OBSERVED DURING A RIGID CONTACT LENS FOLLOW UP VISIT ?
CONSULT THE PRESCRIBER*
THE SUBJECTIVE SYMPTOM OF EDGE FLARE OR REFLECTION WITH A CONTACT LENS IS AGGRAVATED BY :
TEARING
A STINGING AND BURNING SENSATION WHICH OCCURES EACH DAY AFTER SEVERAL HOURS OF WEAR MAY BE CAUSED BY A CONTACT LENS WHICH HAS:
STAGNATION OF TEAR FLUID BEHIND THE LENS
