Correlation between corneal and scleral thickness in glaucoma

Jelinar Mohamed Noor, Frank Bochmann, Muhammad Abdul Rehman Siddiqui, Hatem R Atta, Thorfinn Leslie, Prema Maharajan, Yew M Wong, Augusto Azuara-Blanco

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)


PURPOSE: To assess the correlation between central corneal thickness (CCT) and anterior scleral thickness (ST) in patients of primary open-angle glaucoma (POAG), normal tension glaucoma (NTG), and ocular hypertension (OHT). PATIENTS AND METHODS: Consecutive patients with OHT, POAG, NTG, and normal individuals were recruited. CCT was measured by ultrasonic pachymetry, whereas ST was measured using ultrasonic biomicroscopy at the temporal quadrant, 2 mm posterior to the scleral spur. Investigators were masked to the diagnosis and CCT/ ultrasonic biomicroscopy data. Correlation between mean CCT and ST was analyzed. RESULTS: One hundred and twenty-four subjects (31 with OHT, 31 with POAG, 31 with NTG, and 31 normal individuals) were enrolled. The CCT (OHT 548.06+/-30.45 microm; POAG 519.39+/-42.95 microm; NTG 505.81+/-27.23 microm; controls 529.90+/-43.40 microm) was found to be thicker in patients with OHT than POAG (P=0.004) or NTG (P
Original languageEnglish
Pages (from-to)32-36
Number of pages5
JournalJournal of Glaucoma
Issue number1
Publication statusPublished - Jan 2009


  • aged
  • aged, 80 and over
  • body weights and measures
  • cornea
  • female
  • glaucoma, open-angle
  • humans
  • intraocular pressure
  • male
  • microscopy, acoustic
  • middle aged
  • ocular hypertension
  • sclera
  • tonometry, ocular


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