Vascular Tortuosities of the Upper Eyelid: A New Clinical Finding in Fabry Patient Screening

Table 1

Grading scale proposed for blood vessels tortuosity of the upper eyelid.

Grade	Vessels tortuosity	Microaneurysms
1 (none)	No tortuosity nor vessels abnormality seen	None
2 (low)	Dilated, prominent vessels, at the surface, non-tortuous, in limited areas (<50%) of the superior lid	None
3 (moderate)	Dilated, tortuous vessels, affecting >50% of the superior lid surface. Telangiectasia can be seen.	Present (at least 1)
4 (severe)	Dilated, tortuous vessels, extending from nasal to temporal side. Telangiectasia is present.	Present (2 or more)