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104 Cards in this Set
- Front
- Back
accomodation
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automatic adjustment of the lens to allow the eye to see at varying distances
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adnexa
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tissue around the globe (lids, 3rd lid, lacrimal system, conjunctiva, orbital tissue) accessory structures of the eye
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amaurosis
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loss of vision especially in reference to unknown cause
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aniridia
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congenital defect of the iris
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anisocoria
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unequal pupils
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ankyobleparon
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adhesion of the eyelids
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anophthalmos
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absence of eye
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anterior chamber
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the space between the cornea and the iris
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aphakia
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absence of the lens
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aphakic crescent
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lens is abnormlaly displaced causing the equator of the lens in the pupil
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aqueous humor
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clear fluid that fills the anterior and posterior chambers of the eye
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aquaeous flare
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ability to observe aqueous humor due to increase protein
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asteriod hyalosis
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small opacities associated with age occurs in the vitreous
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blepharitis
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inflammation of the eyelids
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blepharophimosis
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inabilty to open eyelid to normal extent
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blepharospasty
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plastic surgery to eyelid
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blepharospasm
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involuntary spasm of the eyelid muscle.
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bulla/ bullae
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blister/ blisters or vesicle
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buphthalmos
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enlarged globe caused by increase pressure in the eye, glacoma
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canthus
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the angle formed by the meeting of the upper and lower lid
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caruncle
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small piece of skin in the medial canthus
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cataract
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opacity of the lens and or lens capsule
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chalazion
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a sebacious cyst of the eyelid cause by the blockage of meibomiam gland
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chemosis
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edema of the conjunctiva
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choroid
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posterior uvea
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collyrium
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eyewash
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coloboma
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a hole/ fissure in ocular tissue caused by the abnormal closure of fetal tissue
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corectopia
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abnormal location of pupil
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cycloplegia
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paralysis of the ciliary musculature within the ciliary body
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dacryoadenitis
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inflammation/ infection of the lacrimal sac
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dermoid
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abnormal placement of skin and its appendages most often affecting eyelid, conjunctiva, and/or cornea
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descemetocele
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herniation of descemt's membrane of the cornea
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diopter
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unit of measurement of the refractive power of a lens
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distichiasis
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presence of two rows of eyelashes
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dyscoria
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abnormally shaped pupil
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ectropion
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rolling out of the eyelid margin
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emmetropia
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normal refraction where the image is focused on the retina
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enophthalmos
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abnormal retraction of the globe within the orib
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entropion
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rolling inward of the eyelid margin
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epiphora
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overflowing of tears
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euryblepharon
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abnormally large eyelid opening
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exophthalmos
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protrusion of the globe
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fundus
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posterior portion of the eye seen with the ophthalmoscope (optic nerve, tapetum, non tapetum, and choroid)
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glacoma
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disease associated with an increase in intraocular pressure
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gonioscopy
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exam of the iridocorneal angle
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glacoma
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dz associated with an increase in intraocular pressure
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gonioscopy
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exam of the iridocorneal angle
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hordeolum
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infection of the sebacous gland of the eyelid (stye)
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hyperopia
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farsighted, image is focused behind retina
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hyphema
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blood in the anterior chamber
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hypopyon
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pus in the anterior chamber
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intumescent lens
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swollen or enlarged lens
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iridodonesis
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tremulosness of the iris due to displacement of the lens
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keratectomy
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excision of the cornea
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keratitis
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inflammation of the cornea
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lacrimation
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production of tears
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lagophthalmos
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inability to close eyelid completely
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leukoma
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corneal scar
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miosis
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constriction of pupil
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mydriasis
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dilation of pupil
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myopia
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nearsightedness, image is focused in front of the retina
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nebula
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small scar on the cornea
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nyctalopia
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night blindness
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nystagmus
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rhythmical oscillations of the globe horizontal, ventral, or rotary
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ophthalmoplegia
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paraysis of the muscles of the eye
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pannus
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newly formed fibro vascular tissue of the cornea
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panophthalmitis
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inflammation of all ocular tissue
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papilla
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optic disc
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photophobia
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ocular pain caused by bright light
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phthisis bulbi
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shrinkage of the globe secondary to severe inflammation
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prebyopia
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refractive error associated with the impaired elasticity of the lens due to age
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proptosis
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forward displacement of the globe
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ptosis
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drooping of the eyelid
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retinoschisis
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abnormal splitting of the retinal layers, can be congential
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rubeosis iridis
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abnormal neovascularization of the surface of the iris
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sicca
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dry eye
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staphyloma
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protrusion of the outer coat of the eye lined with uvea
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strabismus
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deviation of the globed caused the eyes not to be directed to the same object simultaneously
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symblepharon
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adhsions between the palpebral and bulbar conjunctiva or adhesions to the cornea or eyelid
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synchysis scintisllans
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cholesterol cystals in liquefied vitreous
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synchysis sintiallans
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cholestrol crystals in liquefied vitreous
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synechia
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abnormal adhesions of iris to adjacent structures (iris to cornea is anterior, iris to lens is posterior)
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trichiasis
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abnormal deviation of one or more normal eyelashes
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uveitis
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inflammation of the vascular tunic of the eye (iris, ciliary, body, choroid)
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vascular tunic of eye
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iris, ciliary body, choroid
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vitreal synereisis
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liquefaction of the vitreous
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zonule
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very fine fibers that stretch from the ciliary processes of the lens which holds the lens in place
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zonuloysis
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enzymatic dissolution of the ciliary zonule.
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fibrous tunic
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outer coat, cornea and sclera
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what does the uvea consist of?
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middle coat. iris, ciliary body, choroid
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what are the 2 parts of the iliary body
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para plicata- anterior part that contains ciliary body processes
pars plana- posterior portion of the ciliary body |
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where does the choroid live?
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between the sclera and the retina
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what is the inner coat of the eye
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neurosensory layer called the retina that lies on top of the posterior uvea. Light energy is converted to electrical energy here.
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what is the iriocorneal angle
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juxn of cornea, iris, and ciliary body drainage of aqueous humor
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where is the lens located
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located centreally between the ris and the vitreous. It is used to focus images close to the eye.
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where does aqueous humor live?
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1. anterior chamber - lg chamber between the cornea and iris
2. posterior chamber (PC)- is very small space between the iris and lens. It is enlarged pathologically in a disease called iris bombe. |
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vitreous
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gel like fluid fills space between lens and retina. supports the lens and retina
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posterior segment
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refers to the vitreous, retina, and choriod
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fundus
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composed of all the ocular tissue that is visible at the posterior portion of the globe. posterior sclera, optic disc, tapetum, non tapetum, choriod, neuroseonsory retina, and retinal pigment epithelium
2. tapetal fundus 3. non tapetum |
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tapetal fundus
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area of fundus that overlies the tapetum lucidum, a reflective structure in many species.
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non tapetum
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area surrounding the tapetum
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what are the motor blocks for the eye
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auriculopalpebral
is is used to faciliate and exam and procedures it blocks CN 7 |
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what are the sensory nerve blocks for the eye?
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1.supraorbital aka frontal (medial 2/3 of upper lid)
2.lacrimal 3.line |
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what are the tear tests and what do they test?
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Schirmers- aqueous portion
Rose Bengal- mucin |