EYE & VISIONEYE & VISION

MEDICAL TERMINOLOGY T. sanaa MEDICAL TERMINOLOGY T. sanaa Abd ElhamedAbd Elhamed

Are to:Are to:

1.1. Label a diagram of the eye.Label a diagram of the eye.

2.2. Describe the role of the retina and the optic nerve in vision.Describe the role of the retina and the optic nerve in vision.

3.3. Identify and use word parts pertaining to the eye and vision.Identify and use word parts pertaining to the eye and vision.

4.4. Describe the main disorders pertaining to the eye.Describe the main disorders pertaining to the eye.

5.5. Interpret abbreviations used in the study of the eye.Interpret abbreviations used in the study of the eye.

6.6. Analyze several case studies pertaining to vision.Analyze several case studies pertaining to vision.

External structure of the eye

Internal structure of the eye

HOME WORK ABOUT VISION

MEDICAL TERMS RELATED TO THE EYE

1. Conjunctiva (n) means the delicate mucous

membrane that covers the front of the eye and lines

the inside of the eyelids. The combining form is

conjunctiv/o.

Conjunctival – adj.

2 .Pupil (n) means central opening in the iris of

the eye through which light enters the eye.

Papillary – adj.

3. Iris (n) means the colored muscular layer that

surrounds the pupil. The combining forms are

ir/o and irid/o.

Iridial or Iridic – adj.

4. Lens (n) is the flexible and curved structure

located behind the iris and pupil. The combining

form is phac/o.

Lenticular – adj.

5. Retina (n) means the sensitive inner nerve

layer of the eye. The combining form is retin/o.

Retinal – adj.

6. Lacrimation (n) means the production of

tears. The combining forms lacrim/o and

dacry/o means tears or tear duct.

Lacrimal – adj.

7 .Glaucoma (n) means

a condition in which loss

of vision occurs usually

because of abnormally

high pressure in the

eye.

8. Cataract (n) means clouding

of the lens.

9. Diplopia (n) or double

vision; means seeing two

images of a single object. The

prefix diplo- means 2. The

suffix –opia means vision.

10. Trachoma (n) means a

contagious disease of the

conjunctiva and cornea.

11. Strabismus (n) means a

condition where the 2 eyes

focus on different points,

also known as ”squint”.

12. Keratitis (n) means inflammation of the cornea.

The combining form kerat/o means cornea.

13. Keratoplasty (n) a surgical repair of the

cornea.

14. Myopia (n) a condition

where a patient can see

clearly the objects which are

close, but not ones which are

further away, also known as

short-sightedness or near-

sightedness.

Myopic – adj.

15. Blepharitis (n) inflammation of the eyelids. The

combining form blephar/o means eyelid.

16. Blepharoptosis (n) means the drooping of the

upper eyelid. The suffix –ptosis means drooping or

sagging.

17. aphakia (n) means absence of the lens of

the eye. The prefix a- means no or without. The

combining form phak/o means lens. The suffix –

ia means abnormal condition.

18. Astigmatism (n) means a defect in the eye,

which prevents the eye from focusing correctly.

Astigmatic – adj.

19. Intraocular (adj) means referring to within the

eye. The prefix intra- means within. The combining

form ocul/o means eye. The suffix –ar means

referring to.

20. to detach (v) means to separate one thing from

another. The opposite is attach. {diabetes caused

the retina to detach}

Detachment – noun.

Detached – adj.

21. Ophthalmology (n) study of the eye. The

combining form ophthalm/o means eye. Other

combining forms that mean eye are opt/i, opt/o

and optic/o.

Ophthalmic – adj.

22. Ophthalmologist (n) doctor who specializes

in the eye and its diseases.

23. Optic(n) means referring to vision or sight. The

combining form opt/o means vision or sight.

24. Optometrist (n) or optician a person who

specializes in testing eyes and prescribing lenses.

The suffix –metr- means measure. The suffix –ist

means specialist.