{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"63"}]}],"title":"No Change"},{"categories":[{"measurements":[{"groupId":"OG000","value":"12"}]}],"title":"NCS"},{"categories":[{"measurements":[{"groupId":"OG000","value":"9"}]}],"title":"Improvement"},{"categories":[{"measurements":[{"groupId":"OG000","value":"2"}]}],"title":"Worsening"},{"categories":[{"measurements":[{"groupId":"OG000","value":"1"}]}],"title":"Not Measured"}],"denoms":[{"counts":[{"groupId":"OG000","value":"87"}],"units":"Participants"}],"description":"The visual acuity assessment was performed by an ophthalmologist or an optometrist under the guidance of an ophthalmologist. Visual acuity is defined as acuteness or clearness of vision. Change in visual acuity results are presented as No Change, NCS, Improvement, and Worsening since Baseline. The Baseline value was obtained at the Screening Visit.","groups":[{"description":"Participants who received eltrombopag in Part 1 continued on the same dose in Part 2 unless adjustments were warranted according to the dosing guidelines. Participants who received placebo in Part 1 received Eltrombopag as per age criteria as follows: aged between 6 and 17 years with a body weight \\<27 kg received eltrombopag 37.5 mg QD, and those with a body weight \\>=27 kg received eltrombopag 50 mg QD. Participants of East Asian ancestry received a starting dose of eltrombopag 25 mg QD. Participants aged between 1 and 5 years received eltrombopag 1.2 mg/kg QD and; participants of East Asian ancestry received a starting dose of eltrombopag 0.8 mg/kg/day.","id":"OG000","title":"Part 2 (Open-Label Period) - Eltrombopag"}],"paramType":"NUMBER","populationDescription":"Safety Population. Only those participants who entered into Part 2 (Open-label eltrombopag-only phase) were analyzed.","reportingStatus":"POSTED","timeFrame":"Baseline and Follow-Up Week 24 (Study Week 61)","title":"Number of Participants With a Change in Visual Acuity Since Baseline at Follow-Up Week 24","type":"SECONDARY","unitOfMeasure":"Participants"}