Table 2.
Definition of pterygium recurrence of the included randomized clinical trials.
| Author (year) | Definition of recurrence |
|---|---|
| Fallah (2010) | Fibrovascular tissue stretching onto cornea |
| Razeghinejad (2010) | Fibrovascular tissue extending more than 1.5 mm across limbus |
| Shenasi (2011) | Fibrovascular growth crossing limbus and extending over the cornea to any distance |
| Shahin (2012) | 4 grades classified |
| Lekhanont (2012) | Fibrovascular tissue invading cornea or when the lesion was categorized as grade 4 |
| Ozgurhan (2013) | No specific definition |
| Xu (2013) | Fibrovascular tissue invading cornea |
| Nava-Castaneda, A (2014) | 4 grades classified |
| Karalezli (2014) | Fibrovascular growth passing the corneal limbus by more than 1mm |
| Razeghinejad (2014) | More than 1.5 mm of fibrovascular tissue overgrowth on cornea and any fibrovascular tissue crossing limbus |
| Ozsutcu (2014) | Any fibrovascular growth of conjunctival tissue extending more than 1.5 mm across limbus |
| Kasetsuwan (2015) | 4 grades classified |
| Singh (2015) | 4 grades classified |
| Bekibele (2016) | Growth of fibrovascular tissue 1 mm or more into cornea |
| Motarjemizadeh (2016) | New vessels or fibrovascular connective tissues crossing corneal limbus |