Table 2.

Study results

Outcome	Intervention	Significant difference	Non-significant difference
K1	Skin only	Increase: [6, 11]	Increase: [2, 10]
	Skin, nasal, and central fat pad resection		Decrease: [14]
	Not specified		Increase:[20]
K2	Skin only	Increase:[6] Decrease: [2]	Increase: [10]
	Skin, nasal, and central fat pad resection		Decrease: [14]
	Not specified	Increase: [20]
CA	Skin only	Increase: [6, 11](for groups presenting with more severe dermatochalasis), [30] Decrease: [2]	Increase: [6] (for group presenting with milder dermatochalasis), [10, 13]*, [32]
	Skin and nasal fat pad		Increase: [13]*
	Skin, nasal, and central fat pad resection		Increase: [13]*
	Not specified	Increase: [20]
Visual acuity	Skin only		Increase: [2] No difference: [10]
CCT	Skin only		Increase: [6] Decrease: [2] Not described:[13]*
	Skin and nasal fat pad resection		Not described: [13]*
	Skin, nasal, and central fat pad resection		Not described: [13]*
IOP	Skin only	Increase: [11]	Increase: [6, 32]
	Not specified		Decrease: [34]
Schirmer 1 test	Skin and orbicularis		Increase: [33] No difference: [22]
Schirmer 2 test	Skin and orbicularis		Increase: [21]
TF-BUT	Skin and orbicularis	Increase: [22] (6 months postoperatively)	Increase: [22] (12 months postoperatively), [33] Decrease: [21]
	Not specified		Increase:[17]
OSDI	Skin and orbicularis	Increase: [21] Decrease: [22]

^*Zinkernagel et al. [13] did not mention if the increase in CA was statistically significant in the groups individually so the results were considered non-significant