Tear film - Study guides, Class notes & Summaries

Which of the following medications may affect successful contact lens wear? a. antacids b. antihistamines c. aspirin d. laxatives - Answer-antihistamines Which term refers to a sensitivity to light A.presbyopia B.Photophobia C.Pannus D. Ptosis - Answer-Photophobia The following is an example of what type of astigmatism? K's 42.50 @180 /40.50 @90 A. with the rule B. Lenticular astigmatism C.Against the rule D. Irregular astigmatism - Answer-Against the rule astigmatism The cornea...

NU606 Exam 2 Questions with All Correct Answers What is the difference between typical and atypical Pneumonia? - Answer- Typical: bacteria in the alveoli -lobar: affects an entire love of the lung -bronchopneumonia: patchy distribution over more than one lobe Atypical: viral and mycoplasma infections of the alveolar septum or interstitium What causes Typical PN? - Answer- Typical pneumonia can result from infection by bacteria that multiply extracellularly in the alveoli and cause i...

NCLE Test Questions with Correct Answers Assessment of the quality of the peripheral curves (blends of a rigid contact lens) is achieved by the use of the- a. profile analyzer b. shadow graph c. keratometer d. burton light - Answer-a. profile analyzer Contact lens power should be specified in- a. back vertex power b. sphero-cylinder power c. power in situ d. posterier apical radius - Answer-a. back vertex power The slit-lamp illumination that gives an overall view of the cornea bu...

NCLE 2 Practice Test Questions and Answers 100% AccurateNCLE 2 Practice Test Questions and Answers 100% AccurateNCLE 2 Practice Test Questions and Answers 100% AccurateNCLE 2 Practice Test Questions and Answers 100% Accurate The tear film consists of which the following? a. aqueous layer b. conjunctiva c. lipid film d. mucin film - ANSWER-a c d The primary function of the mucin film is to: change the corneal epithelial surface from a "_________ surface to a ___________ surface" - A...

HIPAA CORRECT ANSWER-The government agency that protects the privacy of patients Three basic functions of the eyelids are CORRECT ANSWER-1) Replenish and spread tear film evenly across the surface of the eye 2) Regulate the amount of tear fluid in the eyes 3) Protect the eye Seven bones that form the orbit CORRECT ANSWER-Maxilla, Frontal, Zygomatic, Ethmoid, Lacrimal, Palantine, Sphenoid. Rapid, forceful closure of the eyelids that protects the eye from foreign bodies and excessive l...

How are conventional reciprocating engines classified? - Answer-cylinder arrangement or cooling what are the different types of piston rings? - Answer-Compression control and scraper what are the main causes of a cylinder having low compression? - Answer-worn piston rings and poorly seated valves what is the purpose of the oil control rings? - Answer-control the thickness of the oil film on the cylinder wall what may be the result of installing piston rings incorrectly? - Answer-Exce...

Pathology 2024 Exam 2 Questions & Answers blepharon - ANSWERSeyelid ankyloblepharon - ANSWERSfusion of eyelids during embryonic development tear film - ANSWERSmucin - goblet cells aqueous - lacrimal gland, 3rd eyelid lipid - meibomian glands Functions of eyelid - ANSWERSdistribute tear film remove unwanted debris Meibomian glands - ANSWERS(tarsal glands) produce lipid layer of tear film (outer layer), prevents evaporation of tear film palpebral conjunctiva - ANSWERSon eyel...

Prentice Rule - (Power x distance in mm) /10 Cornea index of refraction - 1.37 Tear Film, Vitreous index of refraction - 1.33 Crystalline lens index of refraction - 1.42 Optical Standard index of refraction - 1.53 Crown Glass index of refraction - 1.523 High index of refraction - 1.74 CR-39 index of refraction - 1.49/1.50

COA Study Guide Questions and Answers 100% Verified BIOMETRY (3%) Axial length is provided by which measurement? A) Precorneal tear film to the posterior vitreous face B) Anterior corneal surface to the macula C) Anterior corneal surface to the optic disc D) Anterior pole to the posterior pole C) Anterior corneal surface to the optic disc BIOMETRY (3%) How are ultrasound biometric measurements obtained? A) The anterior lens spike should be lower than the posterior lens spike. ...