Podcast
Questions and Answers
The eye is the organ of ___.
The eye is the organ of ___.
False
The retina converts light into ___ impulses using specialized nerve endings.
The retina converts light into ___ impulses using specialized nerve endings.
False
The eyeball is about ___ mm in diameter.
The eyeball is about ___ mm in diameter.
False
The cornea is ___ and avascular.
The cornea is ___ and avascular.
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The sclera is the ___ opaque tough coat of the eyeball.
The sclera is the ___ opaque tough coat of the eyeball.
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The iris forms the colored part of the ___.
The iris forms the colored part of the ___.
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The middle layer of the eyeball is called the ___ tract.
The middle layer of the eyeball is called the ___ tract.
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The uveal tract is anatomically divided into iris, ciliary body, and ___.
The uveal tract is anatomically divided into iris, ciliary body, and ___.
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The ___ controls the amount of light entering the eye.
The ___ controls the amount of light entering the eye.
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The cornea admits ___ into the eye.
The cornea admits ___ into the eye.
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The extraocular muscles allow the eye to move freely in ___ directions.
The extraocular muscles allow the eye to move freely in ___ directions.
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The optic nerve conveys electric impulses to the ___.
The optic nerve conveys electric impulses to the ___.
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The sphincter pupillae is supplied by the parasympathetic system.
The sphincter pupillae is supplied by the parasympathetic system.
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The dilator pupillae is supplied by the parasympathetic system.
The dilator pupillae is supplied by the parasympathetic system.
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The ciliary body secretes aqueous humor to control the intraocular pressure.
The ciliary body secretes aqueous humor to control the intraocular pressure.
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The choroid is responsible for converting light rays into electric impulses.
The choroid is responsible for converting light rays into electric impulses.
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The macula lutea is responsible for night vision.
The macula lutea is responsible for night vision.
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The optic disc is insensitive to light and is known as the 'blind spot'.
The optic disc is insensitive to light and is known as the 'blind spot'.
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The conjunctiva lines the posterior surface of each eyelid and then reflects back to cover the eyeball.
The conjunctiva lines the posterior surface of each eyelid and then reflects back to cover the eyeball.
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The levator palpebrae superioris muscle closes the eyelid.
The levator palpebrae superioris muscle closes the eyelid.
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The lacrimal gland is part of the secretory part of the lacrimal apparatus.
The lacrimal gland is part of the secretory part of the lacrimal apparatus.
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The orbit has 3 walls: roof, medial wall, and lateral wall.
The orbit has 3 walls: roof, medial wall, and lateral wall.
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All extraocular muscles are supplied by the oculomotor nerve.
All extraocular muscles are supplied by the oculomotor nerve.
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Orbital cellulitis can be provoked by inflammation of the maxillary sinus in connection with dental infections.
Orbital cellulitis can be provoked by inflammation of the maxillary sinus in connection with dental infections.
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Iridocyclitis is characterized by symptoms of pain, photophobia, headache and blurring of vision.
Iridocyclitis is characterized by symptoms of pain, photophobia, headache and blurring of vision.
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Primary glaucoma can present with a sudden acute rise in intraocular pressure within 1-2 hours.
Primary glaucoma can present with a sudden acute rise in intraocular pressure within 1-2 hours.
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Retinal detachment is common in low myopia.
Retinal detachment is common in low myopia.
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Cataract can be caused by prenatal infections such as rubella or toxoplasma.
Cataract can be caused by prenatal infections such as rubella or toxoplasma.
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Orbital fractures are commonly caused by sports injuries.
Orbital fractures are commonly caused by sports injuries.
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Myopia is a condition where parallel rays focus behind the retina.
Myopia is a condition where parallel rays focus behind the retina.
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Optic neuritis is characterized by pain with ocular movements.
Optic neuritis is characterized by pain with ocular movements.
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Glaucoma is an increase in the intraocular pressure more than the normal limits (10-21 mmHg).
Glaucoma is an increase in the intraocular pressure more than the normal limits (10-21 mmHg).
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Proptosis (exophthalmos) may be caused by orbital tumors invading the orbit.
Proptosis (exophthalmos) may be caused by orbital tumors invading the orbit.
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Iridocyclitis can be caused by corneal ulcers or perforating corneal wounds.
Iridocyclitis can be caused by corneal ulcers or perforating corneal wounds.
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Cycloplegic eye drops are used to relax ciliary muscles and ciliary spasm in the treatment of iridocyclitis.
Cycloplegic eye drops are used to relax ciliary muscles and ciliary spasm in the treatment of iridocyclitis.
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Squint (strabismus) can be classified as comitant or non-comitant.
Squint (strabismus) can be classified as comitant or non-comitant.
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