Trichiasis surgery for trachoma
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World Health Organization
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x, 73 p.
The Portuguese version is published by PAHO: https://iris.paho.org/handle/10665.2/61943
The Spanish version is published by PAHO: https://iris.paho.org/handle/10665.2/61337
This third edition of the WHO manual provides updated guidance for the training and certification of personnel performing surgery for trachomatous trichiasis (TT), a sight-threatening consequence of trachoma caused by repeated infection with Chlamydia trachomatis. The publication describes the clinical features and progression of trachoma, including inflammation, entropion, trichiasis and corneal scarring, and outlines procedures for patient assessment, diagnosis, selection for surgery and postoperative follow-up. It also reviews requirements for surgical facilities, instruments, sterilization practices, anaesthesia and patient preparation. Designed primarily as a training resource, the manual presents detailed instruction on two surgical techniques for correcting TT: bilamellar tarsal rotation and posterior lamellar tarsal rotation (modified Trabut). Step-by-step guidance is provided to support the acquisition of practical surgical skills, management of complications and evaluation of outcomes. The publication also includes guidance for trainers on trainee selection, assessment and certification, together with standardized checklists for evaluating surgical competence. This edition incorporates updated definitions, revised clinical guidance, expanded postoperative care recommendations and updated illustrations to support high-quality TT surgery programmes.
The Portuguese version is published by PAHO: https://iris.paho.org/handle/10665.2/61943
The Spanish version is published by PAHO: https://iris.paho.org/handle/10665.2/61337
This third edition of the WHO manual provides updated guidance for the training and certification of personnel performing surgery for trachomatous trichiasis (TT), a sight-threatening consequence of trachoma caused by repeated infection with Chlamydia trachomatis. The publication describes the clinical features and progression of trachoma, including inflammation, entropion, trichiasis and corneal scarring, and outlines procedures for patient assessment, diagnosis, selection for surgery and postoperative follow-up. It also reviews requirements for surgical facilities, instruments, sterilization practices, anaesthesia and patient preparation. Designed primarily as a training resource, the manual presents detailed instruction on two surgical techniques for correcting TT: bilamellar tarsal rotation and posterior lamellar tarsal rotation (modified Trabut). Step-by-step guidance is provided to support the acquisition of practical surgical skills, management of complications and evaluation of outcomes. The publication also includes guidance for trainers on trainee selection, assessment and certification, together with standardized checklists for evaluating surgical competence. This edition incorporates updated definitions, revised clinical guidance, expanded postoperative care recommendations and updated illustrations to support high-quality TT surgery programmes.