| Author | ССТ | Min | Device |
| Uçakhan [22] | 0.832 | 0.896 | Pentacam |
| Muftuoglu [23] | 0.832 | 0.873 | Pentacam |
| Mihaltz [24] | 0.880 | 0.900 | Pentacam |
| Ramos [25] | n/a | 0.947 | Pentacam |
| Li [26] | n/a | 0.954 | Zeiss OCT |
| Qin [27] | n/a | 0.942 | RTvue OCT |