National Vision Optometric Technician Level 2 questions with correct answers

National Vision Optometric Technician Level 2 questions with correct answers
Which tool shines a beam of light onto the retina to allow the OD to examine its movement? This tool allows the OD to place various lenses in front of the eye until
movement stops, which helps determine the correct prescription for the Patient.
A. Fundoscopic
B. Opticscope
C. Retinoscope
D. Foveascope CORRECT ANSWER-C. Retinoscope
Which hand tool is useful for examining the sclera (white of the eyeball) to detect the presence of ocular tumors and assess the anterior chamber and eyelids?
A. Darkfield Illuminator
B. Transilluminator
C. Brightfield Illuminator
D. Optical Illuminator CORRECT ANSWER-B. Transilluminator
What is the term for the mucous membrane that lines the inside of the eyelids and the exposed part of the eyeball?
A. Conjunctiva
B. Descemet's membrane
C. Lipid Membrane D. Choroid CORRECT ANSWER-A. Conjunctiva
What is the term for the major refracting body of the eye which has an approximate
power of 17 diopters and gives the eye its power of accommodation?
A. Conjunctiva Lens B. Lens Cortex
C. Lens Nucleus
D. Crystalline Lens CORRECT ANSWER-D. Crystalline Lens
What is the term for the six muscles outside of the eye that attaches to Tenon's Capsule and the sclera? These muscles are responsible for all movements of the eye.
A. Extraocular Muscles
B. Intraocular Muscles
C. Lateral Muscles
D. Intrinsic Muscles CORRECT ANSWER-A. Extraocular Muscles
For Patients wearing contact lenses, which procedure should be performed before the Patient removes them?
A. Retinal Imaging
B. Auto-Refraction
C. Lensometry
D. Visual Fields CORRECT ANSWER-D. Visual Fields
The Optic Nerve begins at the optic disk and takes impulses from the retina to the brain.
A. TRUE
B. FALSE CORRECT ANSWER-A. TRUE
What are the three main layers of the eye?
A. The Outer Layer, The Middle Layer, The Inner Layer
B. Epidermis, Derma, Subcutaneous Layer C. Medulla, Cortex, Bulb
D. Lipid, Aqueous, Mucoid CORRECT ANSWER-A. The Outer Layer, The Middle Layer, The Inner Layer
When first interacting with a Patient, you should professionally introduce yourself as the Certified Optometric Technician.
A. TRUE B. FALSE CORRECT ANSWER-A. TRUE
What is the term for the part of the retina where the optic nerve enters? This point of the eye lacks visual receptors, creating a blind spot.
A. Fundus
B. Retina
C. Fovea
D. Optic Disk CORRECT ANSWER-D. Optic Disk
Which condition occurs when the "intraocular pressure" (pressure inside the eye) is
too high, thus affecting both the optic nerve and the images that are transmitted to the brain?
A. Glaucoma
B. Cataracts
C. Diabetic Retinopathy
D. Macular Degeneration CORRECT ANSWER-A. Glaucoma
What is the term for inflammation of the eyelids, usually caused by malfunctioning
of the oil glands in the lids that empty near the base of the eyelashes?
A. Hordeolum B. Blepharitis
C. Chalazion
D. Ptosis CORRECT ANSWER-B. Blepharitis
What is the term for the condition that appears as a swollen, reddish bump on the edge of an eyelid caused by bacterial infection and inflammation of a Meibomian gland?
A. Stye
B. Conjunctivitis
C. Blepharitis
D. Choroid CORRECT ANSWER-A. Stye
What is the term for a relatively common infection and/or inflammation of the eyelid and portions of skin around the eye? This infection may be caused by bacteria, viruses, or other pathogens.
A. Entropion
B. Conjunctivitis
C. Blepharitis
D. Periorbital Cellulitis CORRECT ANSWER-D. Periorbital Cellulitis
What are the three types of tears?
A. Direct Impact, Emotional Response, Lacrimal Sympathy Tears
B. Sense Reaction Tears, Stress-Induced Tears, Environmental Tears
C. Basal Tears, Reflex Tears, Emotional Tears
D. Empathy Tears, Environmental, Response Tears CORRECT ANSWER-C. Basal Tears, Reflex Tears, Emotional Tears