title: Laser peripheral iridotomy with iridoplasty in primary angle closure suspect: anterior chamber analysis by pentacam.
abstract: OBJECTIVE
  To compare conventional laser peripheral iridotomy (LPI) and LPI combined with laser peripheral iridoplasty in eyes with primary angle closure suspect (PACS) by assessment of anterior chamber dimensional changes using a Pentacam.
  
  
  METHODS
  Forty-eight eyes of 24 subjects with bilateral PACS were recruited consecutively. Each eye was randomly allocated to treatment with conventional LPI, argon LPI only, or LPI plus iridoplasty, which consisted of simultaneous argon LPI and peripheral iridoplasty. Anterior chamber measurements were performed on each eye using a Pentacam, both before and after treatment. Mean anterior chamber depth (ACD), anterior chamber volume (ACV), and anterior chamber angle were measured, and topographic ACD analysis was performed. Results were compared between the two treatment groups.
  
  
  RESULTS
  After treatment with either conventional LPI or LPI plus iridoplasty, the mean ACD and ACV increased significantly. Topographic ACD analysis revealed that the mid-to-peripheral ACD increase was significantly greater in the LPI plus iridoplasty group than in eyes treated with conventional LPI. Intraocular pressure changes and post-LPI complications did not differ between the groups.
  
  
  CONCLUSIONS
  Compared with conventional LPI, our study showed that LPI plus iridoplasty improved the mid-to-peripheral ACD increase. This procedure may have a role as an adjunct for reducing angle closure by simultaneously eliminating pupillary and non-pupillary block components.
authors.affiliation: HanGil Eye Hospital, #543-36 Bupyeong-dong, Bupyeong-gu, Incheon, Korea.
authors.forename: Jong Rak
authors.initials: JR
authors.lastname: Lee
authors.forename: Jin Young
authors.initials: JY
authors.lastname: Choi
authors.forename: Yeon-Deok
authors.initials: YD
authors.lastname: Kim
authors.forename: Jaewan
authors.initials: J
authors.lastname: Choi
mesh_terms: D000328:Adult; D000368:Aged; D000867:Anterior Chamber / Q000473:pathology* / Q000601:surgery; D003941:Diagnostic Techniques, Ophthalmological / Q000295:instrumentation*; D004867:Equipment Design; D005260:Female; D005500:Follow-Up Studies; D015812:Glaucoma, Angle-Closure / Q000473:pathology / Q000503:physiopathology / Q000601:surgery*; D006068:Gonioscopy; D006801:Humans; D007429:Intraocular Pressure; D032801:Iridectomy / Q000379:methods*; D007498:Iris / Q000473:pathology / Q000601:surgery*; D053685:Laser Therapy / Q000379:methods*; D053844:Lasers, Solid-State; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D014065:Tonometry, Ocular