188 JOUBNAL OF THE SOCIETY OF COSMETIC CHEMISTS Figure 7. Stromal opacity of rabbit cornea (Grade -- 4). Figure 8. Panus [neovascularization-invasion of blood vessels (at lower part of figure) into rabbit cornea] (Grade = 1). (Note: With most ocular pathology, other changes, such as corneal opacity of Grade 3 for this eye, commonly occur)
EVALUATION BY SLIT-LAMP TECHNIQUES 189 Table III Slit-Lamp Examination of the Anterior Chamber Flare Grade I Slight change in optical density from normal barely detectable flare Grade 2 Easily detectable turbidity within the anterior chamber moderate change in optical density Grade 3 Marked clouding of aqueous humor underlying structures plainly visible Figure 9. Normal anterior chamber of rabbit eye (Grade: 0) Figure 10. Aqueous flare (indicative of the presence of cells and/or protein material) in the anterior chamber of rabbit eye (Grade = 1). (Note: Flare is a Tyndall phenomenon)
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