Anatomy of the Eye

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What is the primary function of the suspensory ligaments in the eye?

To attach the lens to the ciliary body (correct)

To control the movement of the iris

To regulate the amount of light entering the eye

To maintain the shape of the lens

What is the purpose of the fine collagen fibers in the vitreous humor?

To regulate the flow of fluid in the eye

To form a scaffolding that helps maintain the shape of the eyeball (correct)

To reflect light back onto the retina

To absorb excess light

What type of muscle is responsible for controlling the movement of the eye?

Extrinsic muscle (correct)

Skeletal muscle

Intrinsic muscle

Smooth muscle

What is the function of the lens in the eye?

To focus light onto the retina Signup and view all the answers

What is the name of the clear, gelatinous substance that fills the posterior segment of the eye?

Vitreous humor Signup and view all the answers

What is the visual problem if there is an infection in the anterior of the optic chiasm?

Bitemporal hemianopia Signup and view all the answers

What type of blindness occurs when the lesion is anterior to or in front of the optic chiasm?

Right monocular blindness Signup and view all the answers

What is the visual problem if there is a cancer of the optic nerve in the right eye?

Right monocular blindness Signup and view all the answers

Which type of fibers are affected in Bitemporal hemianopia?

Fibers from the nasal retina Signup and view all the answers

What is the typical sign of patients with optic nerve lesion?

Relative afferent pupillary defect Signup and view all the answers

What is the most common cause of Bitemporal hemianopia?

Abnormal growth of the pituitary gland Signup and view all the answers

What is the most common procedure for refractive surgery?

Photorefractive keratectomy Signup and view all the answers

What is the primary cause of conjunctivitis?

Viral Signup and view all the answers

What is the purpose of refractive surgery?

To eliminate a refractive error Signup and view all the answers

What is the risk of using extended-wear contact lenses?

Increased risk of ulcerative keratitis Signup and view all the answers

What is the importance of regular eye examinations?

To identify eye disorders early Signup and view all the answers

What is the key factor in a patient's adjustment to visual impairment?

Social support Signup and view all the answers

What is the primary location of age-related macular degeneration?

Retinal epithelium Signup and view all the answers

What is the most common cause of acute mucopurulent bacterial conjunctivitis?

All of the above Signup and view all the answers

What is the treatment for bacterial conjunctivitis?

Topical antibiotics Signup and view all the answers

What is a common cause of visual impairment?

Accidental eye injury Signup and view all the answers

What are the common hormonal changes associated with a functioning pituitary adenoma?

Increased production of LH, FSH, TSH, ACTH, GH, prolactin, vasopressin, oxytocin, and alpha-MSH Signup and view all the answers

Which part of the brain is involved in Left Homonymous Hemianopia?

Thalamus Signup and view all the answers

What is the name of the visual defect that occurs when the inferior optic radiating fibers are damaged in the temporal lobe?

Pie in the sky Signup and view all the answers

What is the result of lesions to the descending corticospinal motor tracts?

Contralateral hemiparesis Signup and view all the answers

What is the cause of Left Superior Homonymous Quadrantanopia?

Strokes involving the middle cerebral artery Signup and view all the answers

What is the result of damage to the more superior fibers of the optic radiations in the parietal lobe?

Left Inferior Homonymous Hemianopia Signup and view all the answers

What is the main function of the aqueous humor in the anterior and posterior chambers of the eye?

To nourish and bathe the lens and posterior cornea, and maintain the hydrostatic intraocular pressure Signup and view all the answers

What is the term for the decreased ability to see objects that are near, which is a common visual change associated with aging?

Presbyopia Signup and view all the answers

What is the name of the muscle that controls the shape of the lens?

Ciliary body muscles Signup and view all the answers

What is the term for the abnormal protrusion of an eye?

Exophthalmos Signup and view all the answers

What is the purpose of the lacrimal gland?

To produce the aqueous or watery portion of the tear film Signup and view all the answers

What is the term for the hazy gray ring around the periphery of the cornea that occurs with aging?

Arcus senilis Signup and view all the answers

What is the term for the examination of the ocular fundus that magnifies the intraocular view?

Ophthalmoscopy Signup and view all the answers

What is the purpose of the Schirmer's test?

To verify abnormal tear production Signup and view all the answers

What is the term for the loss of accommodation resulting from the lens becoming less elastic and responding less to the need for accommodation?

Presbyopia Signup and view all the answers

What is the term for the examination of the visual pathway from the photoreceptors of the retina to the visual cortex of the brain?

Electrophysiology examination Signup and view all the answers

Anatomy of the Eye

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Questions and Answers

What is the primary function of the suspensory ligaments in the eye?

What is the purpose of the fine collagen fibers in the vitreous humor?

What type of muscle is responsible for controlling the movement of the eye?

What is the function of the lens in the eye?

What is the name of the clear, gelatinous substance that fills the posterior segment of the eye?

What is the visual problem if there is an infection in the anterior of the optic chiasm?

What type of blindness occurs when the lesion is anterior to or in front of the optic chiasm?

What is the visual problem if there is a cancer of the optic nerve in the right eye?

Which type of fibers are affected in Bitemporal hemianopia?

What is the typical sign of patients with optic nerve lesion?

What is the most common cause of Bitemporal hemianopia?

What is the most common procedure for refractive surgery?

What is the primary cause of conjunctivitis?

What is the purpose of refractive surgery?

What is the risk of using extended-wear contact lenses?

What is the importance of regular eye examinations?

What is the key factor in a patient's adjustment to visual impairment?

What is the primary location of age-related macular degeneration?

What is the most common cause of acute mucopurulent bacterial conjunctivitis?

What is the treatment for bacterial conjunctivitis?

What is a common cause of visual impairment?

What are the common hormonal changes associated with a functioning pituitary adenoma?

Which part of the brain is involved in Left Homonymous Hemianopia?

What is the name of the visual defect that occurs when the inferior optic radiating fibers are damaged in the temporal lobe?

What is the result of lesions to the descending corticospinal motor tracts?

What is the cause of Left Superior Homonymous Quadrantanopia?

What is the result of damage to the more superior fibers of the optic radiations in the parietal lobe?

What is the main function of the aqueous humor in the anterior and posterior chambers of the eye?

What is the term for the decreased ability to see objects that are near, which is a common visual change associated with aging?

What is the name of the muscle that controls the shape of the lens?

What is the term for the abnormal protrusion of an eye?

What is the purpose of the lacrimal gland?

What is the term for the hazy gray ring around the periphery of the cornea that occurs with aging?

What is the term for the examination of the ocular fundus that magnifies the intraocular view?

What is the purpose of the Schirmer's test?

What is the term for the loss of accommodation resulting from the lens becoming less elastic and responding less to the need for accommodation?

What is the term for the examination of the visual pathway from the photoreceptors of the retina to the visual cortex of the brain?

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