| Physical signs |
Scale |
Scale description |
| Persistant epithelial defect |
0-3 |
0: no epithelial loss
+ : mild (epithelial loss < 5 mm diameter)
++ : moderate(> 5 mm < 7 mm diameter)
+++ : severe (> 7 mm diameter) |
| Punctate epithelial keratitis (PEK) |
0-3 |
No PEK
+ : mild
++ : moderate
+++ : severe |
| Conjunctival epithelium on cornea |
0
+ |
Absence
Presence |
| Corneal vascularization |
Number of vascular pediculus near the limbus |
Number |
| Vessels’ Activity 0-3 |
0: inactive (absence of blood)
+: vessels of small diameter
++: vessels with different diameter sizes
+++ : vessels with large diameters and in the state of vasodilatation only |
| Functional signs |
Scale |
Scale description |
| Photophobia |
0-3 |
0: no complaint
+: fear of luminosity corrected by sunglasses
++: frequent winking to light
+++: impossibility to open eyes |
| Watering |
0-3 |
0: no complaint
+: dry
++: very dry
+++: eye stuck |
| Pain |
0-3 |
0: no complaint
+: occasionally
++: repetitive pain during the day
+++: permanent |
