Table 1

Characteristics of included studies

First author (year)Design of studyCountrySample sizeMean age (years)Standard BMIAssessment tool
Coster27 (2023)Cohort studyIsrael7720Normal: 46.47±10.67
Overweight: 46.57±10.08
Obese: 46.57±10.08
Morbidly obese: 46.57±10.08
European WHO criteriaNon-contact tonometry
Jung37 (2023)Cross-sectional studySouth Korea14 503Normal: 46.47±10.67
Obese: 46.57±10.08
Revised Asia-Pacific WHO criteriaNon-contact tonometry
Hazar38 (2021)Cross-sectional studyTurkey37Normal: 11.87±2.78
Obese: 11.75±3.31
CDC BMI-for-age percentile growth chartsNon-contact tonometry
Baran16 (2019)Cross-sectional studyTurkey93Obese: 14.7±1.95
Normal: 15.46±1.82
SD scoreGoldmann applanation tonometry
Teberik17 (2019)Cross-sectional studyTurkey196Obese: 35.9±11.5
Normal: 36.6±11.8
European WHO criteriaGoldmann applanation tonometry
Panon18 (2019)Cross-sectional studyThailand120Obese: 47.00±15.00
Normal: 45.60±11.51
Asian WHO criteriaNon-contact tonometry
Oner19 (2018)Case–control studyTurkey77Obese: 41.90±11.88European WHO criteriaDynamic contour tonometry
Cekic20 (2017)Cohort studyTurkey59Obese: 37.80±10.00
Normal: 33.46±7.80
European WHO criteriaGoldmann applanation tonometry
Ngo21 (2013)Cohort studyUSA115Obese: 65.1±9.32
Overweight: 62.2±11.14
Normal: 68.1±11.71
European WHO criteriaGoldmann applanation tonometry
  • BMI, body mass index; CDC, Centers for Disease Control.