Ganglion cell complex and retinal nerve fiber layer thickness in predicting visual outcome in brain tumors after surgery

Table 2 Retinal nerve fiber layer thickness (microns) in various tumor categories, mean ± SD

Tumour category	Retinal nerve fiber layer preoperative	At discharge	After 1.5 months	After 3 months	After 6 months
Pituitary adenoma	79.7 ± 27.9	80.7 ± 27.8	81.2 ± 27.5	87.6 ± 27.6	83.3 ± 28.2
Craniopharyngioma	102.0 ± 36.8	89.6 ± 34.2	67.5 ± 19.2	65.6 ± 18.2	67.8 ± 19.5
Meningioma	59.4 ± 12.9	62.8 ± 12.4	63.7 ± 11.1	60.0 ± 8.9	61.2 ± 9.9
Others	99.6 ± 32.2	89.1 ± 34.0	87.4 ± 31.8	86.9 ± 30.9	75.7 ± 27.0