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. 2015 Nov 13;2015(11):CD004008. doi: 10.1002/14651858.CD004008.pub3

Adamu 2002.

Methods Study Design: parallel group randomised trial of different operations for trichiasis.
Eyes: for cases who only had trichiasis affecting one eye only that eye was included. In bilateral cases both eyes were included: surgery type was allocated randomly for the right eye and then the left eye was allocated to the other procedure. Analysis was not adjusted for bilateral cases.
Participants Country: Ethiopia
 Setting: teaching hospital
Number of participants: 153 patients, 256 eyes
 Lost to follow up: 19
Male: 32, Female: 109 (gender unknown for 19 not followed up)
Interventions (1) Bilamellar tarsal rotation
 (2) Posterior lamellar tarsal rotation
Outcomes Primary outcome: recurrent trichiasis (one or more lashes touching eye)
Secondary outcomes: overcorrection; complications
 Follow up: 3 months
 Reported improvement in vision, but no details given
Notes The unilamellar operation is different to the one described in Reacher 1990 and Reacher 1992
Funder: not specified
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Unclear risk An unspecified 'Lottery method' used. In bilateral cases the left eye always received the opposite treatment to that randomly allocated to the right eye.
Allocation concealment (selection bias) Unclear risk No description.
Blinding of participants and personnel (performance bias) 
 All outcomes Unclear risk No description.
Blinding of outcome assessment (detection bias) 
 All outcomes Unclear risk No description.
Incomplete outcome data (attrition bias) 
 All outcomes Unclear risk No description of the individuals lost to follow‐up.
Selective reporting (reporting bias) Unclear risk No study protocol available. Limited information on analytical protocol in methods.