ocular anatomy v.s. 112 uab school of optometry timothy w. kraft, ph.d. 975-2885 twkraft@uab.edu

Ocular AnatomyOcular Anatomy

V.S. 112

UAB School of Optometry

Timothy W. Kraft, Ph.D.

975-2885

twkraft@uab.edu

First Day of School 2004First Day of School 2004Summer 2007

Goals for the TermGoals for the Term

Solid base of knowledge

Comfort with Ocular terminologyBasics of tissue structure & function– At the end of the course you can give

yourself a 3D guided tour of the eye and orbit within your mind’s eye.

Exam Schedule & GradingExam Schedule & Grading

Midterm 37%Lab work sheets & hw (4%)Quizzes: Four each 5.5% (22%)

and Final Exam 37%• some of Final is review

There will be 4 or 5 Lab sessions, attendance is mandatory

Sources of informationSources of information

The Human Eye structure and Function by Clyde Oyster

Hand-outs, outlines including additional figures.

CD’s of power point presentations for out of class review

Come to Class

Texts and SupplementsTexts and Supplements

Oyster (you buy this one) The Human Eye

Williams & Warwick Functional Neuroanatomy of Man (copy provided)

Snell & Lemp: Clinical Anatomy of the Eye (copy of selected figures provided)

Broad-based learningBroad-based learning

Power point presentations– Almost all lectures available on CD

Hand out outline the lectureStudy Guides

When all else fails: RTB

Go to Class

Competitive AnalysisCompetitive Analysis

Competitors - YOU HAVE NONE – Drive yourself - help your classmates–Work with each other• Share strengths overcome weaknesses

Its not about grades, its about knowledge!

Report cheating to Honor council

Any Questions?Any Questions?How do I get

this thing off my finger?

Visual system OverviewVisual system Overview

OverviewOverview

When the structure seems complicated , think FUNCTION– Imaging : OPTICAL CLARITY– Information processing: pathways,

adaptation–Mobility: balance, strength, speed,

MECHANICS– Biological System: respiration, pain,

protection

TerminologyTerminology

Rostral (toward top of head - rooster) Caudal (toward tail) cauda equina - horses tail

Anterior - front - ventral Posterior- back - dorsal (dorsal fin) Medial (midline) {Nasal} Lateral away from midline (Temporal) Central - Peripheral- away from center

Reference planesReference planes

How do you know this is a diagram of the right eye?

Pop Quiz #1Pop Quiz #1a

b

c

d

el a: Lensl b: Ciliary Body

(Pars plicata)

l c: Pars Plana of ciliary body

l d: Retinal e: Zonule or

suspensory ligament

Figure by Williams and Warwick

Basic components of eyeballBasic components of eyeball

Eyeball: Optical PathwayEyeball: Optical Pathway

Cornea Anterior Chamber Iris/Pupil Posterior

Chamber Lens Vitreous Retina

Figure by Snell & Lemp

Eyeball: Layered tissuesEyeball: Layered tissues

Protective epithelium Cornea/Sclera Choroid RPE

– All to protect/nourish the nervous tissue of retina/optic nerve

Uvea: uveal layer is shown in red: It consists of the iris, ciliary body and choroid

From Williams & Warwick

Neuronal functionNeuronal function

Figure by Snell & Lemp

Figure by Snell & Lemp

Figure by Snell & Lemp