a Trial of Using SMS Reminder Among Diabetic Retinopathy Patients in Rural China

a Randomized Controlled Trail to Determine the Impact of a SMS Reminder Among Diabetic Retinopathy Patients in Rural China

The purpose of this study is to use a randomized controlled design to determine the impact of a SMS messaging intervention on the following outcomes among persons diagnosed with diabetic retinopathy in rural China.

SMS message reminder is a system which can sent re-visit information to remind the patient about the revisit time and address. The investigators can use the SMS system to find out if it is a useful to reduce the not-attended rate of the revisit appointment among the rural diabetic retinopathy patients.

Inclusion Criteria:

- all the diabetes patients who would like to join our study in 5 CREST cooperated rural hospitals.

Exclusion Criteria:

1. Both the patient and his/her caretakers don't have cellphone,or the one who has cellphone but don't know how to use the SMS function.
2. The first re-visit appointment time is outside our study period.