Table 2. Visual acuity fractions according to Snellen's chart preoperatively, and 6 weeks, 6 months, and at 1 year postoperatively.

Patient	VA Pre op	VA 6-week post op	VA 6-month post op	VA 1 year post op	Proptosis (mm) Pre op	Proptosis (mm) 6-week post op	Proptosis (mm) 6-month post op	Proptosis (mm) 1 year post op
1	NLP	NLP	NLP	NLP	28	28	26	28
2	CF	6/36	NLP	NLP	22	19	19	26
3	HM	6/9	HM	NLP	24	22	22	24
4	6/6	6/5	6/5	6/5	24	22	23	24
5	NLP	NLP	NLP	NLP	25	21	21	27
6	CF	6/12	6/12	6/12	23	21	21	21
7	6/12	6/9	6/9	6/6	24	23	20	20
8	6/18	6/18	6/18	6/18	18	18	18	18
9	NLP	NLP	NLP	D	24	21	21	D
10	6/12	6/12	6/12	6/12	23	20	21	23
11	6/12	6/9	6/9	6/6	22	19	18	22
12	NLP	NLP	NLP	NLP	29	27	18	29
13	6/12	6/9	6/9	6/9	24	22	22	23
14	6/18	6/18	6/18	6/5	21	20	20	25
15	6/36	6/24	6/18	6/18	22	20	19	20
16	NLP	NLP	NLP	NLP	28	26	26	28
17	HM	HM	HM	HM	24	20	19	22
18	6/9	6/6	6/6	6/6	22	19	20	22
19	CF	CF	CF	CF	25	21	21	23
20	6/60	6/24	6/24	6/24	28	22	23	28
21	6/12	6/12	6/12	6/12	21	18	27	22

Abbreviations: CF, counting fingers; HM, hand movements; NLP, no light perception; post op, postoperative; pre op, preoperative; VA, visual acuity.

Note: proptosis (mm) measured by Hertel exophthalmometer preoperatively, and 6 weeks, 6–8 months, and 1 year post-operatively.