Terminology in Healthcare and Public Health Settings Ears

Terminology in Healthcare and Public Health Settings Ears, Nose, Throat, Eyes and Vision Lecture b – Eyes and Vision This material Comp 3_Unit 8 was developed by The University of Alabama Birmingham, funded by the Department of Health and Human Services, Office of the National Coordinator for Health Information Technology under Award Number 1 U 24 OC 000023

Eyes and Vision Learning Objectives • Define, understand correctly pronounce medical terms related to the Ears, Nose and Throat and Eyes and Vision • Describe common diseases and conditions with an overview of various treatments related to the Ears, Nose and Throat and Eyes and Vision 2

Anatomy of the Eye • Sclera – Tough white outer covering of the eyeball • Cornea – Clear and has a curved surface that allows light to enter the eye • Iris – Colored part of the eye – Shrinks and expands so the pupil can adjust to the incoming light 3

Anatomy of the Eye 2 • Lens – Clear part of the eye behind iris – Helps to focus light onto retina • Retina – Light sensitive receptor cells carry images to brain through optic nerve • Optic Nerve – Bundle of more than one million nerve fibers that carries visual messages from retina to brain 4

Cataract • Definition – Clouding of the lens • Symptoms – Blurry vision – Colors seem faded – Difficulty seeing at night – Glare • Treatment – Surgery 5

Color Blindness • Three types – Red-green color vision defects – Blue-yellow color vision defects – Absence of color vision 6

Diabetic Retinopathy • Definition – Damage to blood vessels inside retina • Symptoms – Blurry or double vision – Halos or rings – Flashing lights or blank spots – Pain • Treatment – Surgery 7

Glaucoma • Definition – Fluid pressure damages optic nerve • Risk factors – Family history – Age and race • Symptoms – Loss of peripheral vision • Treatment – Eye drops – Surgery 8

Eye Infections • Conjunctivitis • Sty 9

Macular Degeneration • Definition – Cell death in macula • Symptoms – Loss of sharp, central vision • Treatment – Laser treatment 10

Refractive Errors • • Myopia Hyperopia Presbyopia Astigmatism 11

Eye Disorders and Diseases • Eye Cancers – Locations Outer parts o Intraocular – most common types o Retinoblastoma in children o • Treatment – Varies by type of cancer and stage – Surgery, radiation therapy, freezing or heat therapy or laser therapy 12

Ears and Eyes Combining Forms Word Part Meaning Key Term blephar/o eyelid blepharoplasty choroid/o choroiditis conjunctiv/o conjunctiva conjunctivitis ocul/o eye ocular ophthalm/o eye ophthalmologist retin/o retina retinopathy 13

Tell me, Detective. . • A 65 -year-old female patient returns to her ophthalmologist for an annual checkup. She reports that lately she cannot see objects clearly enough to read or drive, but she can still take her daily walks and participate in her activities by using her side vision. What diagnosis should her physician consider? 14

Ears, Nose, Throat, Eyes and Vision Summary • Define, understand correctly pronounce medical terms related to the Ears, Nose and Throat. • Describe common diseases and conditions, with an overview of various treatments related to the Ears, Nose and Throat. 15

Ears, Nose, Throat, Eyes and Vision References – Lecture b Images Slides 3, 4: Available From: www. thirdeyehealth. com Slide 14: Microsoft Clip Art. Used with permission of Microsoft. 16

Terminology in Health Care and Public Health Settings, Ears, Nose, Throat, Eyes and Vision lecture b This material was developed by the University of Alabama at Birmingham, funded by the Department of Health and Human Services, Office of the National Coordinator for Health Information Technology under Award Number 90 WT 0007. 17