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. Author manuscript; available in PMC: 2009 Oct 1.
Published in final edited form as: Ophthalmology. 2008 Jun 5;115(10):1796–1799. doi: 10.1016/j.ophtha.2008.04.001

Table 1.

Fixation Preference Testing and Inter-Ocular Difference in Vision for All Children Age 30−71 Months

Fixation Preference Testing Category
Normal Likely Normal Momentary No Fixation Total
IOD Level
0−1 lines 1367 (98.9) 7 (0.5) 5 (0.4) 3 (0.2) 1382 (100)
2 lines 31 (93.9) 0 2 (6.1) 0 33 (100)
3 lines 14 (70.0) 1 (5.0) 1 (5.0) 4 (20.0) 20 (100)
Total 1412 (98.4) 8 (0.6) 8 (0.6) 7 (0.5) 1435 (100.0)
Missing VA in at least one eye* 243 4 2 5 279

IOD = Inter-ocular difference, VA = visual acuity

*

25 of these are missing both fixation preference testing and visual acuity