Tear film - Study guides, Class notes & Summaries
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certified ophthalmic assistant Already passed
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what muscle elevates the eyelid? - ANSWER-levator palpebrae superioris 
what are the triangular spaces formed by the junction of the upper and lower lids 
called? - ANSWER-canthi 
what is the pathway of tears? - ANSWER-lacrimal gland --> lacrimal ducts --> 
lacrimal punctum --> lacrimal caniculi --> lacrimal sac --> nasolacrimal duct 
what does the orbicularis oculi muscle do? - ANSWER-closes the eye when it 
contracts 
what is the area called where the bulbar and palpebral conjun...
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COA JCAHPO Test Questions with Verified Solutions
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COA JCAHPO Test Questions with 
 
Verified Solutions 
 
2 families of antibiotics Aminoglycoside antibiotics 
fluroquinolone antibiotics 
 
2 types of Astigmatism - Regular Astigmatism 
- Irregular Astigmatism 
 
3 layers of Tear Film 1. Outer Lipid Layer or Oily 
2. Aqueous Layer 
3. Mucous Layer 
 
3 Test used to measure muscle imbalance? Krimsky Test 
Maddox Rod prism Test 
Cover Test 
 
6 Types of contact gonio lenses 1. children's gonio lens 
 
2. single-sided gonio lens 
3. goldmann three...
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NCLE Module 2| 50 Questions| Correct Answers!!
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Aqueous layer, mucin layer, lipid layer - ANSWER The tear film consists of which if the following? 
 
Primary function of the tear film - ANSWER Change the corneal epithelial surface from a hydrophobic surface to a hydrophilic surface. 
 
Prevent evaporation of the tear film - ANSWER The lipid layer functions primarily to: 
 
Schirmer - ANSWER This test assesses the quantity of tears normally produced is: 
 
BUT - ANSWER This test which assesses the quality of the tear film is: 
 
13 to 38 - ANS...
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NCLE Test Questions Part 2: Questions and answers, Graded A+[LATEST EXAM UPDATES]
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NCLE Test Questions Part 2: Questions 
and answers, Graded A+ 
Assessment of the quality of the peripheral curves (blends of a rigid contact lens) is achieved by 
the use of thea. profile analyzer 
b. shadow graph 
c. keratometer 
d. burton light - profile analyzer 
Contact lens power should be specified ina. back vertex power 
b. sphero-cylinder power 
c. power in situ 
d. posterier apical radius - back vertex power 
The slit-lamp illumination that gives an overall view of the cornea but lim...
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NCLE Practical Questions and Answers Solved 100% Correct!!
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3 & 9 o' clock staining - cornea is drying out, inadequate tear film 
How to fix: adjust diameter or periphery, thinner lens design 
Abrasion - Fit of lens that is too flat. Foreign body gets trapped under lens. Eye Patch overnight. 
Acanthamoeba - extremely serious infection. caused by a parasite in water. very painful, red eye 
that does not respond to conventional treatment. 
adnexa - extraocular structures of the eye which include the eyelids, the orbit, lacrimal glands 
Aniridia - absence ...
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Ncle Advanced Exam Questions And Answers Latest Update 2023/2024 Rated A+
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Ncle Advanced Exam Questions And Answers Latest Update 2023/2024 Rated A+. 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 ...
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NCLE- Test Questions Questions & answers, rated A+/ VERIFIED/[LATEST EXAM UPDATES]
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NCLE- Test Questions 
Questions & answers, rated A+/ 
VERIFIED/ 
Pre-ocular tear film - -Transient keratometric mire distortion 
Tear Film - -The main supply of oxygen to the corneal epithelium is derived from the 
Which auxiliary trial lens will extend the keratometer range to approximately 30.00D - --1.00 
A smooth optical surface and Metabolic nutrients to the epithelium - -Pre-corneal year film 
Which auxiliary trial lens extend the keratometer range to approximately 61.00D - -+1.25 
Irregu...
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Ncle Advanced Exam Questions And Answers | Latest Update 2023/2024 (Rated 100%)
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Ncle Advanced Exam Questions And Answers | Latest Update 2023/2024 (Rated 100%). 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 receives nutrients from 
1 Aqueous humor 
2 Tears 
3 Limbal blood vessels 
4 ...
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NCLE Test Questions Part 2: Exam Review Questions and answers, rated A+[LATEST EXAM UPDATES]
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NCLE Test Questions Part 2: Exam 
Review Questions and answers, rated A+ 
Assessment of the quality of the peripheral curves (blends of a rigid contact lens) is achieved by 
the use of thea. profile analyzer 
b. shadow graph 
c. keratometer 
d. burton light - profile analyzer 
Contact lens power should be specified ina. back vertex power 
b. sphero-cylinder power 
c. power in situ 
d. posterier apical radius - back vertex power 
The slit-lamp illumination that gives an overall view of the cor...
-
EENT (Dunphy) Test Questions and Answers 100% Solved
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EENT (Dunphy) Test Questions and 
Answers 100% Solved 
Dry Eye This syndrome occurs from the following: 
1.) Mechanical abnormalities that interfere with the spread or maintenance of tears over the eyeball 
surface. 
2.) Lacrimal gland malfunction 
3.) Mucin deficiency 
Excessive tearing It is often a case of paradoxical tearing, that is, a response to dry eyes. 
- Common complaint in elderly & those with allergies. 
Red eye Is a non-uniform redness of the conjunctiva from hyperemia, which can...
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