A novel predictive model for phthisis bulbi following facial hyaluronic acid cosmetic injection

BMC Ophthalmology

Table 3 Main differential clinical features of the 4 grades of ASI

Grades	IOP of the contralateral healthy eye minus IOP of the affected eye > 5 mmHg	IOP of the affected eye < 8 mmHg	Positive Tyndall effect	Globe size of the affected eye / globe size before injury < 80%
0	-	-	+/-	-
1	+	+/-	+/-	-
2	usually	+	+	-
3	+	+	usually	+

+ means with the above condition;—means without the above condition; +/- means with or without the above condition; usually: usually with the above condition
ASI Anterior segment ischemia, IOP Intraocular pressure

ISSN: 1471-2415