Eyes • CHAPTER 11 509Word Element Meaning Word Analysis
dacry/o tear; lacrimal dacry/o/rrhea (dăk-rē-ō-RĒ-ă): excessive secretion of tears
apparatus (duct, -rrhea: discharge, flow
sac, or gland)
lacrim/o lacrim/ation (lăk-rĭ-MĀ-shūn): secretion and discharge of tears
-ation: process (of)
dipl/o double dipl/opia (dĭp-LŌ-pē-ă): two images of an object seen at the same time; also
called double vision
-opia: vision
irid/o iris irid/o/plegia (ĭr-ĭd-ō-PLĒ-jē-ă): paralysis of the sphincter of the iris
-plegia: paralysis
kerat/o horny tissue; kerat/o/plasty (KĔR-ă-tō-plăs-tē): replacement of a cloudy cornea with a
hard; cornea transparent one, typically derived from an organ donor; also called corneal
transplant
-plasty: surgical repair
ocul/o eye intra/ocul/ar (ĭn-tră-ŎK-ū-lăr): within the eyeball
intra-: in, within
-ar: pertaining to
ophthalm/o ophthalm/o/scope (ŏf-THĂL-mō-skōp): instrument for examining the interior
of the eye, especially the retina
-scope: instrument for examining
opt/o eye, vision opt/ic (ŎP-tĭk): pertaining to the eye or vision
-ic: pertaining to
retin/o retina retin/o/pathy (rĕt-ĭn-ŎP-ă-thē): disease of the retina
-pathy: disease
scler/o hardening; scler/itis (sklĕ-RĪ-tĭs): inflammation of the sclera
sclera (white -itis: inflammation
of the eye)
Suffixes
-opia vision ambly/opia(ăm-blē-Ō-pē-ă): reduction or dimness of vision, usually in one eye,
with no apparent pathological condition; also called lazy eye
ambly: dull, dim
-opsia heter/opsia(hĕt-ĕr-ŎP-sē-ă): inequality of vision in the two eyes
heter-: different
-ptosis prolapse, blephar/o/ptosis(blĕf-ă-rō-TŌ-sĭs): drooping of the upper eyelid
downward blephar/o: eyelid
displacement
-tropia turning hyper/tropia(hī-pĕr-TRŌ-pē-ă): ocular deviation (strabismus) with one eye
located higher than the other
hyper-: excessive, above normal
Upward deviation of the eye is usually due to paresis of one of the muscles that either
elevate or depress the eye. This condition is congenital or acquired.
Pronunciation Help Long sound a ̄in ra ̄te e ̄in re ̄birth ı ̄in ı ̄sle o ̄in o ̄ver u ̄in u ̄nite
Short sound a ̆in a ̆lone e ̆in e ̆ver ̆ıin ı ̆t o ̆in no ̆t u ̆in cu ̆t
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