Schematic Images

Chapter II.1: Tear Film

Classical model of the precorneal tear film

Schirmer test in the temporal third of the lower eyelid

Tear meniscus

Tear meniscus cross-section

Schematic representation of a ruptured tear film

Dry patches

Regular target image of the Sutcliff ophthalmometer in the case of an intact tear film

Distorted (anamorphic) Sutcliff ophthalmometer target image in the case of a ruptured tear film

Ideal image of the keratograph targets

Distorted (anamorphic) image of the keratograph targets

Strongly distorted (anamorphic) image of the keratography targets

Strongly distorted (anamorphic) image of the keratography targets

Tear film dynamics

LIPCOF Grade 0

LIPCOF Grade 1

LIPCOF Grade 2

LIPCOF Grade 3

Chapter II.2: Anterior segment findings

Anterior eye segment

Chapter II.3: Eyelids

Cross-section of the upper eyelid

Incomplete closure of the eyelid

Chapter II.4: Conjunctiva

Anatomy of the conjunctiva

Overview of injection symptoms

Bulbar redness - Grade 0

Bulbar redness - Grade 1, Isolated injection

Bulbar redness - Gradе 2

Bulbar redness - Grade 3 bulbar conjunctival injection: 3/9 o’clock redness due to dryness, often associated with 3/9 o’clock superficial punctate keratitis

Bulbar redness - Gradе 4

Everted upper eyelid with papillae

Papillae with central blood vessel

Everted lower eyelid with follicles

Follicle with superficial blood vessels

Grade 0 tarsal conjunctival injection - junctional papillae may be present

Grade 1 tarsal conjunctival injection – slight redness

Grade 2 tarsal conjunctival injection – individual micropapillae (< 0.3 mm)

Grade 3 tarsal conjunctival injection – many macropapillae (0.3 – 1.0 mm)

Grade 4 tarsal conjunctival injection – CLIPC, GPC (papillae > 1.0 mm)

Pinguecula

Pterygium

Chapter II.5: Cornea

Illustration of the five layers of the cornea

From parallelepiped to optical section

From parallelepiped to optical section

From parallelepiped to optical section

Sclerotic scatter

Optical section for examining the endothelium

Diffuse illumination

Direct focal illumination: optical plane

Direct focal illumination: optical cut

Reflective illumination

Conical bundle

Indirect focal illumination

Retrograde illumination

Sclerotic illumination

Illustration of various epithelial abnormalities

3/9 o’clock punctate keratitis

Localized punctate keratitis with desiccation

Superficial, diffuse punctate keratitis

Central punctate keratitis

Deep, diffuse punctate keratitis

Air bubble dimple veiling

Impression from a foreign object

Erosion

Light-and-shadow phenomenon of microcysts and vacuoles

Location of microcysts and vacuoles

Stromal striae and Descemet’s folds

Location of the striae

Grade 1 vascularization

Grade 2 vascularization

Grade 3 vascularization

Grade 4 vascularization

Location of infiltrates

AI - Asymptomatic infiltrates

AIK - Asymptomatic infiltrative keratitis

IK - Infiltrative Keratitis

CLARE - Contact lens-induced acute red eye

CLPU - Contact lens-induced peripheral ulcer

Corneal ulcer sectional views

MK - Microbial keratitis

Hexagonal arrangement of endothelial cells

Polymegathism

Endothelial blebs

Cornea guttata

Location of precipitates

Chapter II.6: Anterior segment findings

Cross-section through the anterior chamber

Appearance of the slit image in Van Herick’s method

Measurement setup in Van Herick’s method

Van Herick’s Grade 4 - SC : ACA ratio = 1 : 1

Van Herick’s Grade 3 - SC : ACA ratio = 1 : ½

Van Herick’s Grade 2 - SC:ACA ratio = 1 : ¼

Van Herick’s Grade 1 - SC : ACA ratio = 1 : <¼

Van Herick’s Grade 0 - closed chamber angle

Illustration of Smith’s method – setup

Illustration of Smith’s method - slit images in alignment

Chapter II.8: The Crystalline lens

Frontal view

Cross-sectional side view

Frontal view

Cross-sectional side view

Frontal view

Cross-sectional side view

Chapter IV.4: Appendix (Contact lens terms)

Contact lens terms