[Quantitative tear study using the red phenol test in the Brazilian population]

Arq Bras Oftalmol. 2005 Jul-Aug;68(4):433-7. doi: 10.1590/s0004-27492005000400004. Epub 2005 Nov 22.
[Article in Portuguese]

Abstract

Purpose: To detect normal values of red phenol thread test in the Brazilian population and compare it between different races, age and sex.

Methods: 280 white individuals (560 eyes) and 280 non-white individuals (560 eyes) were analyzed regarding sex and age, and analyzed using the Phenol Red test. Individuals with ocular diseases, contact lens or ocular drug users were excluded from this study.

Results: Of the 1,120 evaluated eyes, the mean +/- standard deviation result was 19.77+/-7.90 mm.

Conclusions: The mean result found in this study was an intermediate value compared to the previously studied populations (Japanese and American).

Publication types

  • Comparative Study

MeSH terms

  • Adolescent
  • Adult
  • Age Distribution
  • Aged
  • Brazil / ethnology
  • Child
  • Child, Preschool
  • Coloring Agents*
  • Cornea / chemistry
  • Dry Eye Syndromes / diagnosis
  • Ethnicity*
  • Female
  • Humans
  • Infant
  • Infant, Newborn
  • Male
  • Middle Aged
  • Osmolar Concentration
  • Phenolsulfonphthalein*
  • Reference Values
  • Sensitivity and Specificity
  • Sex Distribution
  • Statistics, Nonparametric
  • Tears / metabolism*

Substances

  • Coloring Agents
  • Phenolsulfonphthalein