Tear film - Study guides, Class notes & Summaries

TEST BANK Ebersole and Hess’ Gerontological Nursing & Healthy Aging 5th Edition TouhyChapter 01: Introduction to Healthy Aging MULTIPLE CHOICE 1. A man is terminally ill with end-stage prostate cancer. Which is the best statement about this man’s wellness? a. Wellness can only be achieved with aggressive medical interventions. b. Wellness is not a real option for this client because he is terminally ill. c. Wellness is defined as the absence of disease. d. Nursing interventions can help emp...

How are reciprocating engines classified? - ANSWER-1) Cylinder Arrangement w/ respect to crankshaft (in-line, V-type, radial and opposed) 2) Method of cooling (liquid cooled, or air cooled) what are the different types of piston rings - ANSWER-compression rings, oil control rings and scraper rings what are the main causes of a cylinder having low compression - ANSWER-broken piston rings, rings that are not seated properly, burnt valves and poorly seating valves what is the purpose of...

Diffused Illumination – -Uses widest slit, longest aperture -Light source positioned at an angle of 40º-50º -Used to view overall areas, to observe the ocular adnexa, cornea, sclera, lids, conjunctiva, lens surface, and CL fitting characteristics Direct Illumination – -Most important/useful illumination -Light source positioned at an angle of 40º-50º to oculars -Light beam and oculars are focused in coincidence on area being evaluated -The difference in the illumination is not ...

Ophthalmology - Review Questions With Correct Answers What systemic disease can cause dacroadentitis? - Correct Ans-Sarcoidosis What is the hallmark PE finding associated with orbital cellulitis? TEST QUESTION - Correct Ans-Reduced Visual Acuity What layer of the cornea, keeps the cornea dehydrated? - Correct Ans-The endothelium What topical steroid is known to potentially cause cataracts? - Correct Ans-Lotoprednol What are the functions of the ciliary body? - Correct Ans-Produce aqueou...

How are conventional reciprocating engines classified? - Answer- According to cylinder arrangements to the crankshaft or according to method of cooling What are the different types of piston rings? - Answer- Compression, Oil control and scraper rings What are the main causes of a cylinder having low compression? - Answer- Broken piston rings, rings that are not seating properly, burnt valves and poorly seated valves What is the purpose of the oil control rings? - Answer- They are used t...

ABO numbers, math, formulas Prentice's Rule - ANSWER-P = f x c P = amount of prism correction f = lens power (in diopters) c = decentration (the distance between the pupil centre and the lens's optical centre, in millimeters) Cornea IOR - ANSWER-1.37 Tear Film, Vitreous IOR - ANSWER-1.33 Crystalline lens IOR - ANSWER-1.42 Optical Standard index of refraction - ANSWER-1.53 Crown Glass index of refraction - ANSWER-1.523 High index IOR - ANSWER-1.74 CR-39 IOR - ANSWER-1...

NAO Book 1 | 95 QUESTIONS AND ANSWERS VERIFIED BY EXPERT 100% CORRECT | LATEST UPDATE 2025 Reflex tears - ANSWER Produced by lacrimal glands & are caused by stimulus such as coughing, sneezing, strong smells & emotions Layers of tear film (outer-innermost) - ANSWER Lipid, aqueous, mucin Tear lake, tear prism, tear meniscus - ANSWER Collection of the thin film of tears on the lower lid margin Ectropia - ANSWER Eyelids turn outward Entropion - ANSWER Eyelids turn inward Conjuncti...

ABO-AE Review 2 The eyelids are also referred to as: A. Bulbar aperture B. Palpebral aperture C. Tarsal aperture D. Tonic aperture - ANSWER B. Palpebral aperture The primary purpose of the eyelids includes: A. To keep the eye moist through the blinking action B. To protect the eyes C. to help to distribute tears, oxygen, and nutrients/ flush away debris D. All of the above - ANSWER ...

cataracts - Answer opacification of the lense of the eye. leading cause of blindness. Every person who lives long will develop a degree of cataract. prevents light from focusing on retina so loss of vision causes: age, corticosteroids, diabetes, smoking, UV light and radiation presentation and PEof cataracts - Answer -painful progressive loss of vision, hazy, haloes, glare with bright lights (headlights @ night) PE: no redness, corneal haze or pain. hazy optic nerve and retina....

NCLE Practical ABO adnexa - extraocular structures of the eye which include the eyelids, the orbit, lacrimal glands anterior chamber - the area bounded in front by the cornea and in the back by the lens and filled with aqueous aqueous - a clear, watery solution in the anterior and posterior chambers artery - the vessel supplying blood to the eye canal of schlemm - the passageway for the aqueous fluid to leave the eye choroid - carries blood vessels and is the inner coat between...

NCLE Advanced Exam Study Guide 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 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 - Against the rule astigm...