title: [Visual fields changes in chronic angle closure glaucoma patients after their intraocular pressures were well controlled].
abstract: OBJECTIVE
  To investigate the progression of visual field loss and to explore the prognosis of glaucomatous optic neuropathy in patients with chronic angle-closure glaucoma (CACG) after their intraocular pressures were well controlled under 21 mmHg.
  
  
  METHODS
  Forty-seven eyes of 29 patients in the Department of Ophthalmology in PUMC Hospital were included. All the patients had at least two separate tests of visual fields using the 24-2 program of the Humphery Visual Field Analyzer after their intraocular pressure were well controlled under 21 mmHg after sugery. The visual fields of patients were followed routinely for at least 1 year. In addition, all patients were divided into 2 groups according to follow-up period: 1-2 years group and over 2 years group. Visual field scores were calculated with the Advanced Glaucoma Intervention Study (AGIS) method. The visual fields were divided 5 sections and the sensitivity and defect depth of each section were calculated.
  
  
  RESULTS
  No statistically significant differences were found in terms of AGIS scores, localized sensitivities and localized defects within the time interval of the observation.
  
  
  CONCLUSIONS
  Glaucomatous optic neuropathy is not likely to progressively deteriorate in CACG cases once their intraocular pressure are well controlled under 21 mmHg.
authors.affiliation: Department of Ophthalmology, PUMC Hospital, CAMS and PUMC, Beijing 100730, China.
authors.forename: Xiao-ming
authors.initials: XM
authors.lastname: Duan
authors.forename: Yan-hong
authors.initials: YH
authors.lastname: Zou
authors.forename: Xiao-li
authors.initials: XL
authors.lastname: Liu
authors.forename: Feng-rong
authors.initials: FR
authors.lastname: Ai
authors.forename: Xi-pu
authors.initials: XP
authors.lastname: Liu
mesh_terms: D000368:Aged; D005260:Female; D005500:Follow-Up Studies; D015812:Glaucoma, Angle-Closure / Q000503:physiopathology* / Q000601:surgery; D006801:Humans; D007429:Intraocular Pressure; D008297:Male; D008875:Middle Aged; D009898:Optic Disk / Q000503:physiopathology*; D009901:Optic Nerve Diseases / Q000503:physiopathology; D012189:Retrospective Studies; D014794:Visual Fields