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Paraoptometric Terms

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Inflammation of conjunctiva.
Pink eye.
Redness, Swelling and discharge.
Conjunctiva
How Optic nerve looks when viewed through pupil.
Portion of Optic Nerve formed by meeting of all retinal nerve fibers.
Insensitive to light. Corresponds to blind spot.
Optic Disc
OPIA
VISION CONDITION
OPT
VISION
PHOT
LIGHT
COR, CORE, PUPIL
PUPIL
ABNORMAL FEAR OR AVERSION TO SPECIFIC THINGS
PHOBIA
DIPL
TWO, DOUBLE
CHROM
COLOR
ORTH
STRAIGHT
OCI, IC, OUS
PERTAINING TO
AREA IN SPACE THAT IS VISIBLE TO EYE
PERIMETRY MEASURES THIS AREA
TESTS PERIPHERAL VISION
CHANGES IN VISUAL FIELD HELPS DETERMINE WHAT TYPE OF DISEASE PATIENT MAY HAVE.
VISUAL FIELD
DETERMINED BY HEIGHT OF FRAME(B) AND WAY IN WHICH SITS ON NOSE.
FRAME HEIGHT
OCUL, OPHTHALM
EYE
PATH
DISEASE
AREA INSIDE EYE BEHIND CORNEA AND IN FRONT OF IRIS.
FILLED WITH AQUAEOUS HUMOR.
ANTERIOR CHAMBER
TON
TENSION OR PRESSURE
CENTRAL AREA OR ZONE THAT PROVIDES OPTICAL CORRECTION FOR PATIENTS VISION.
MEASURED WITH MAGNIFYING RETICULE.
VARIES DEPENDING ON PUPIL SIZE, OVERALL DIAMETER AND PERIPHERAL CURVE WIDTH.
OPTICAL ZONE DIAMETER
OZD;OZ
CLEAR TRANSPARENT TISSUE LOCATED IN FRONT OF EYE.
MOST POWERFUL REFRACTIVE MEDIA OF EYE.
PROVIDES MOST OF EYES ABILITY TO FOCUS LIGHT.
5 LAYERS=
EPITHELIUM, BOWMAN'S LAYER, STROMA, DESCEMET'S MEMBRANE, ENDOTHELIUM,
LIMBUS=JUNCTI
CORNEA
SEEING PART OF EYE.
LINES SCLERA.
PLACE WHERE LIGHT COMING INTO EYE IS FOCUSED.
IMAGES FALL TO NERVE ON CELLS OF RETINA, THEN TRANSMITTED TO BRAIN FOR INTERPRETATION.
RETINA
1.5 MM AREA IN MACULA.
VISUAL ACUITY IS SHARPEST.
CONTAINS HIGHEST NUMBER OF CONES.
FOVEAL CENTRALIS
AREA INSIDE EYE
BEHIND IRIS AND IN FRONT OF LENS.
POSTERIOR CHAMBER
CENTRAL PART OF RETINA.
USED FOR SEEING DETAIL.
3-5MM IN DIAMETER.
FOVEAL DEPRESSION AT ITS CENTER.
MACULA/FOVEA
PRIMARY CURVE ON POSTERIOR OR BACKSIDE OF LENS.
DESIGNED TO APPROXIMATE SHAPE OF CORNEA(FRONT EYE)
MEASURED BY KERATOMETER(SOFT LENS)
RADIUSCOPE(RIGID LENS)
BASE CURVE RADIUS
THICK, CLEAR JELLY LIKE SUBSTANCE THAT FILLS EYE BETWEEN LENS AND RETINA.
SUPPORTS RETINA.
HELPS KEEP EYE ROUND
VITREOUS HUMOR
LOCATED ON FRONT OF ORGAN
ANTERIOR
SIX MUSCLES ATTACHED TO SCLERA FROM BONES SURROUNDING EYE.
AIMS EYE IN DIRECTION WE WISH TO LOOK.
WITHOUT WE WOULD HAVE TO MOVE OUR HEAD.
EXTRAOCULAR MUSCLE
CONSISTS OF PRIMARILY BLOOD VESSELS THAT NOURISH RETINA.
BETWEEN SCLERA AND RETINA
CHOROID
VERY TINY BLOOD VESSELS BETWEEN SCLERA AND CONJUNCTIVA THAT SOMETIMES RUPTURE.
BLOOD IS TRAPPED UNDER CONJUNCTIVA.
DRAMATIC RED EYE.
SUBCONJUCTIVAL HEMORRHAGE
MEASUREMENTS ON CL THAT CORRELATES WITH THE SHAPE OF PATIENTS EYE
PARAMETERS
MECHANICAL STIMULATION OF NERVES AND RETINA.
FLASHES MAY INDICATED TUGGING ON RETINA AND FORCE MAY CAUSE RETINA TO DETACH.
EYES ARE DILATED TO OBSERVE BACK OF EYE.
FLOATERS CAUSED BY DEBRIS IN TEARS IN FLUID IN EYE.
CHANGE MAY INDICAT
FLASHES AND FLOATERS
UPPER EYEWIRE OF FRAME SHOULD CONTOUR TO SHAPE OF PATIENTS EYEBROW.
GOAL TO BALANCE FEATURES OF FACE.
MINIMIZES FEATURES OF ROUND OR SQUARE FACE=FIT FRAME WITH OPPOSITE FEATURES.
COSMETIC CRITERIA
MEASURES PRESSURE IN EYE.
DIAGNOSES GLAUCOMA
TONOMETRY
DISTANCE FROM BACK OF LENS TO CORNEA.
MEASURE ONLY IN HIGH PRESCRIPTIONS(+6 AND OVER)
VERTEX DISTANCE
STUDY OF
ONE WHO STUDIES OR PRACTICES
OLOGY
OLOGIST
AWAY FROM
OUT OF
EX
ECTOMY
CUTTING OUT
EXCISION
IA
DISEASED OR ABNORMAL CONDITION.
OSIS
ABNORMAL CONDITION.
HYPO
UNDER, BELOW.
PATIENTS RESPONSE DETERMINES BEST CORRECTION.
PHOROPTER(CONTAINS LENSES USED TO DETERMINE CORRECTION)
PERFORMED ONCE FOR DISTANCE AND ONCE FOR NEAR VISION.
SUBJECTIVE REFRACTIVE
OPTIC NERVE HEAD
PAPILL
A, AN
WITHOUT
AB
AWAY
LACK OF NEW BLOOD VESSEL GROWTH DUE TO POOR CIRCULATION THAT OCCURS WITH DIABETES.
FRAGILE AND OFTEN LEAK AND BREAK.
LEAD TO RETINAL DETACHMENT OR VISION LOSS.
DIABETIC RETINOPATHY
CLEAR CELLOPHANE LIKE TISSUE.
COVERS SCLERA AND INSIDE SURFACE OF EYELIDS.
CONJUNCTIVA
SLIT LAMP EXAMINATION.
GIVES EXAMINER HIGHLY MAGNIFIED VIEW OF EYE STRUCTURE.
LIKE A SIDEWAYS MOUNTED MICROSCOPE.
OBSERVES FIT OF CONTACTS, FOREIGN BODIES IN EYE AND HEALTH FOR FRONT OF EYE.
BIOMICROSCOPY
PROVIDES FOCUS POWER TO EYE.
ALLOWS EYE TO ADJUST FROM FAR TO NEAR.
SECOND MOST POWERFUL REFRACTIVE MEDIUM.
CRYSTALLINE LENS.
MEASURES CURVATURE OF CORNEA.
ESTIMATES FOCUSING POWER OF CORNEA, AMOUNT OF ASTIGMATISM, AND EVALUATES INTEGRITY OF FORNT SURFACE OF EYE.
KERATOMETRY
OBJECTIVE MEAUSURE OF EYE'S REFRACTIVE POWER.
REINOSCOPE=HAND HELD INSTRUMENT USED TO SHINE LIGHT INTO EYE AND OBSERVE REFLEXES IN PUPILS.
AFTER ANALYZING REFLEX, EXAMINER PLACES LENSES IN FRONT OF EYE TO DETERMINE PRESCRIPTION
NO PATIENT
RETINOSCOPY
THICKENING OF CONNECTIVE TISSUE ON SIDES OF CORNEA(3 AND 9 O'CLOCK)
MAY GIVE YELLOWISH CAST TO SODES OF EYES OR REDDISH IF IRRITATED BY WIND, DRY AIR OR DUST.
PINGUECULA
CORNEA CHANGES TO AN IRREGULAR, CONE SHAPED SURFACE.
IMAGES FOCUSED ON RETINA AND VISION IS DECREASED.
RIGID CONTACT LENS MAY PROVIDE BETTER VISION IN EARLY STAGES.
MAY REQUIRE CORNEAL TRANSPLANT.
KERATOCONUS
INTRA
WITHIN
EXAMINATION OF INSIDE OF EYE.
USES OPHTHALMOSCOPE
DIRECT=HAND HELD, YIELDS LARGER IMAGE BUT SMALLER FIELD OF VIEW
BINOCULAR=WORN ON HEAD, USE HAND HELD LENS, YEILD SMALLER IMAGE AND LARGER FIELD OF VIEW. USE DILATING DROPS TO MAKE PUPIL LA
OPHTHALMOSCOPY
IMAGE FOCUSED ON BACK OR RETINA
EMMETRIOPIA
IMAGE FOCUSED IN FRONT OF LENS
MYOPIA
IMAGE FOCUSED BEHIND RETINA
HYPEROPIA
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