Table 1.

Patient characteristics

Case No.	SE of OD(D)	SE of OS(D)	Medical History	Head Scan	prolonged near work time(h)	Onset (months)
1	−7	−7.25	–	–	6	84
2	−5.5	−5.25	–	–	8	3
3	−5.5	−5.125	–	CT/MRI:normal	6	84
4	−8.25	−6.875	–	CT:normal	13	60
5	−5	−5.25	–	–	10	24
6	−6.875	−6.75	–	–	12	24
7	−3.875	−0.375	–	–	12	24
8	−3.5	−3.75	–	–	8	12
9	−6.725	−5.5	–	–	12	8
10	−4.75	−5	–	MRI:normal	12	5
11	−5.25	−4.875	–	–	13	24

SE Spherical equivalents, D Diopter