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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: Ocul Surf. 2020 Nov 28;19:53–62. doi: 10.1016/j.jtos.2020.11.008

Table 1.

Histological characterization of corneal scars graded based on slit lamp microphotographs classification by masked examiners.

Stromal Scar Grade
Fibronectin Collagen
IV		 CD31 CD68 α-SMA Fantes modified
Grade 0 − − − Very rare − Trace haze seen with careful oblique illumination.
Grade 1 + − Rare − Noticeable haze not interfering with visibility of fine iris details, haze smaller than ¼ corneal area. No neovessels.
Grade 2 ++ + + + + Mild obscuration of iris details and haze larger than ¼ corneal area with or without neovascularization.
Grade 3 +++ ++ ++ ++ ++ Obscuration of the iris and lens with or without neovascularization.