Baseline characteristics of study population.

1The PHQ9 is a measure of depression and its severity (range 0 to 27) as a self-administered questionnaire, values between 0 and 4 are interpreted as minimal depressive symptoms not requiring specific treatment2The total n for this variable is the number of eyes, i.e. 92 in the intervention group and 98 in the control group3The VFQ-25 composite score ranges from 0 to 100 and is a measure of visual function specific quality of life, 0 represents the lowest quality of life, 100 the highest quality of life.4The PACIC summary score ranges from 1 to 5 and is a measure of the chronic illness care concordance to the chronic care model from the patient’s perspective, 1 represents the lowest concordance, 5 represents the highest concordance.*Welch Two Sample t-test, p = Baseline characteristics of study population.