Thirteen

Front 1

Blephar-

Back 1

combining form

eyelid

Front 2

choroid-

Back 2

combining form

(skin-like) choroid

Front 3

cor(e)-

Back 3

combining form

(girl) pupil of the eye

Front 4

cycl-

Back 4

combining form

circle, the ciliary body

Front 5

dacry-

Back 5

combining form

tear, lacrimal sac or duct

Front 6

herpes-, herpet-

Back 6

combining form

(shingles) herpes, a creeping skin disease

Front 7

Ir(id)

Back 7

combining form

(rainbow) iris

Front 8

junc(t)-

Back 8

combining form

join

Front 9

kerat-

Back 9

combining form

(horn), cornea

Front 10

lacrim-

Back 10

combining form

tear

Front 11

My-

Back 11

combining form

close, shut

Front 12

ocul-

Back 12

combining form

eye

Front 13

op(s)-

Back 13

combining form

vision

Front 14

opthalm-

Back 14

combining form

eye

Front 15

opt-

Back 15

combining form

(seen), vision, eye

Front 16

phac-, -phak

Back 16

combining form

(lentil) lens

Front 17

ret-, retin-

Back 17

combining form

(net), retina, network, plexus

Front 18

stigm-, stigmat-

Back 18

combining form

point, mark, spot

Front 19

xer-

Back 19

combining form

dry

Front 20

-oma

Back 20

noun-forming suffix

in opthalmology, it refers to various abnormalities