title: Impact of lens thickness on complications of hypermature cataract surgery: A prospective study.
abstract: OBJECTIVE
  To assess the correlation between lens thickness (LT) measured by ultrasonography and duration of surgery as well as complications.
  
  
  METHODS
  The study was conducted in a hospital in the Parisian suburb of Bobigny, France.
  
  
  METHODS
  A prospective and monocentric study was conducted. All patients undergoing surgery for hypermature cataract between January 2013 and March 2014 were included.
  
  
  METHODS
  Morphological features, including LT, axial length, anterior chamber depth and vitreous length were assessed using A-scan ultrasonography. The other parameters assessed were the duration of surgery, occurrence of complications during surgery, visual acuity (VA) and corneal edema score one week after surgery.
  
  
  RESULTS
  Thirty eyes of 29 patients were included. Mean LT was 4.11±0.64mm (median: 3.89mm). Mean surgery duration was 24.2±8.7min. Three patients experienced complications during surgery: 2 capsular breaks and 1 posterior lens dislocation. At one week, the mean decimal VA was 0.49±0.34 and the mean corneal edema score was 0.76±1.09. The Pearson correlation coefficient was r=0.27 (P>0.05) between LT and surgery duration while it was r=-0.53 (P=0.01) between VA and LT. No correlation was found for the other parameters studied.
  
  
  CONCLUSIONS
  In this study, the linear correlation between LT and the surgery duration was low. The visual recovery at day 7 appeared inversely correlated with the LT.
  
  
  CONCLUSIONS
  LT did not seem to be a marker for longer surgery duration but appeared related to the visual recovery at one week.
authors.affiliation: Ophthalmology department, Avicenne hospital, Paris XIII University, AP-HP, 125, rue de Stalingrad, 93000 Bobigny, France; Département hospitalo-universitaire vision et handicaps, Paris, France.
authors.forename: M
authors.initials: M
authors.lastname: Addou-Regnard
authors.affiliation: Ophthalmology department, Avicenne hospital, Paris XIII University, AP-HP, 125, rue de Stalingrad, 93000 Bobigny, France; Centre d'imagerie et de Laser, 11, rue Antoine-Bourdelle, 75015 Paris, France.
authors.forename: F
authors.initials: F
authors.lastname: Fajnkuchen
authors.affiliation: Ophthalmology department, Avicenne hospital, Paris XIII University, AP-HP, 125, rue de Stalingrad, 93000 Bobigny, France; Département hospitalo-universitaire vision et handicaps, Paris, France.
authors.forename: A
authors.initials: A
authors.lastname: Bui
authors.affiliation: Ophthalmology department, Avicenne hospital, Paris XIII University, AP-HP, 125, rue de Stalingrad, 93000 Bobigny, France; Département hospitalo-universitaire vision et handicaps, Paris, France.
authors.forename: V
authors.initials: V
authors.lastname: Sarda
authors.affiliation: Ophthalmology department, Avicenne hospital, Paris XIII University, AP-HP, 125, rue de Stalingrad, 93000 Bobigny, France; Département hospitalo-universitaire vision et handicaps, Paris, France.
authors.forename: G
authors.initials: G
authors.lastname: Chaine
authors.affiliation: Ophthalmology department, Avicenne hospital, Paris XIII University, AP-HP, 125, rue de Stalingrad, 93000 Bobigny, France; Département hospitalo-universitaire vision et handicaps, Paris, France. Electronic address: audreygiocanti@yahoo.fr.
authors.forename: A
authors.initials: A
authors.lastname: Giocanti-Auregan
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002386:Cataract / Q000473:pathology*; D002387:Cataract Extraction / Q000009:adverse effects*; D015715:Corneal Edema / Q000209:etiology; D005260:Female; D006801:Humans; D007906:Lens Subluxation / Q000209:etiology; D007908:Lens, Crystalline / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D061646:Operative Time; D009929:Organ Size; D018918:Phacoemulsification; D011183:Postoperative Complications / Q000209:etiology*; D012720:Severity of Illness Index; D014463:Ultrasonography
keywords: Cataract surgery; Cataracte blanche obturante; Chirurgie de cataracte; Hypermature cataract; Lens thickness; Ocular ultrasonography; Phacoemulsification; Échographie oculaire; Épaisseur cristallinienne