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Bull World Health Organ. 1987; 65(4): 477–483.
PMCID: PMC2491032

A simple system for the assessment of trachoma and its complications


A simple grading system for trachoma, based on the presence or absence of five selected ”key” signs, has been developed. The method was tested in the field and showed good observer agreement, the most critical point being the identification of severe cases of the disease. It is expected that the system will facilitate the assessment of trachoma and its complications by non-specialist health personnel working at the community level.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • Thylefors B. Development of trachoma control programs and the involvement of national resources. Rev Infect Dis. 1985 Nov-Dec;7(6):774–776. [PubMed]
  • Dawson CR, Daghfous T, Messadi M, Hoshiwara I, Schachter J. Severe endemic trachoma in Tunisia. Br J Ophthalmol. 1976 Apr;60(4):245–252. [PMC free article] [PubMed]
  • Taylor HR, Velasco FM, Sommer A. The ecology of trachoma: an epidemiological study in southern Mexico. Bull World Health Organ. 1985;63(3):559–567. [PMC free article] [PubMed]
  • Dawson CR, Jones BR, Darougar S. Blinding and non-blinding trachoma: assessment of intensity of upper tarsal inflammatory disease and disabling lesions. Bull World Health Organ. 1975;52(3):279–282. [PMC free article] [PubMed]
  • Taylor HR, West SK, Katala S, Foster A. Trachoma: evaluation of a new grading scheme in the United Republic of Tanzania. Bull World Health Organ. 1987;65(4):485–488. [PMC free article] [PubMed]

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