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Table 6: Visual outcomes after surgical treatment of aneurysms affecting the visual pathway
Reference Preoperative Visual Disturbance (No.) Postoperative Improvement (No.) Visual Improvement (%) Total Aneurysms (No.) New or Worsening Visual Disturbance (%) Visual Decline (%)
Andaluz et al, 2005¹⁵ 65 4 6
Date et al, 1998⁸ 6 4 67 
Day, 1990² 23 17 74 54 6 11
Drake et al, 1968⁹ 32 15 47 100 5 5
Ferguson et al, 1981¹¹ 29 15 52 29 5 17
Fulkerson et al, 2009¹⁷ 118 7 6
Hoh et al, 2001⁵ 12 8 67 187 5 3
Kanagalingam et al, 2012³ 69 21 30
Mattingly et al, 2013²⁴ 14 11 79 18 4 22
Nanda and Javalkar, 2011¹⁰ 15 10 67 80 7 9
Park et al, 2009³⁰ 10 8 80 10 0 0
Schuss et al, 2011²³ 12 9 75 12 2 17
Sherif et al, 2009¹⁸ 23 1 4
Yadla et al, 2011⁶ 23 2 9
Total 153 97 63 788 69 9

Reference	Preoperative Visual Disturbance (No.)	Postoperative Improvement (No.)	Visual Improvement (%)	Total Aneurysms (No.)	New or Worsening Visual Disturbance (%)	Visual Decline (%)
Andaluz et al, 2005¹⁵				65	4	6
Date et al, 1998⁸	6	4	67
Day, 1990²	23	17	74	54	6	11
Drake et al, 1968⁹	32	15	47	100	5	5
Ferguson et al, 1981¹¹	29	15	52	29	5	17
Fulkerson et al, 2009¹⁷				118	7	6
Hoh et al, 2001⁵	12	8	67	187	5	3
Kanagalingam et al, 2012³				69	21	30
Mattingly et al, 2013²⁴	14	11	79	18	4	22
Nanda and Javalkar, 2011¹⁰	15	10	67	80	7	9
Park et al, 2009³⁰	10	8	80	10	0	0
Schuss et al, 2011²³	12	9	75	12	2	17
Sherif et al, 2009¹⁸				23	1	4
Yadla et al, 2011⁶				23	2	9
Total	153	97	63	788	69	9