title: Characteristics of Peripapillary Staphylomas Associated With High Myopia Determined by Swept-Source Optical Coherence Tomography.
abstract: OBJECTIVE
  To analyze the morphologic features of peripapillary staphylomas associated with high myopia by swept-source optical coherence tomography (OCT).
  
  
  METHODS
  Validity analysis.
  
  
  METHODS
  Highly myopic patients (refractive error >8.0 diopters or axial length >26.5 mm) with a peripapillary staphyloma who had undergone swept-source OCT were studied. The non-highly myopic fellow eyes in patients with unilateral high myopia were also studied. The presence of a peripapillary staphyloma was determined by stereoscopic ophthalmoscopic examinations. The OCT features of the peripapillary staphylomas and other peripapillary lesions were evaluated.
  
  
  RESULTS
  Twenty-five eyes of 16 patients were studied. Twenty-two eyes were highly myopic and the remaining 3 eyes of the patients with unilateral high myopia were non-highly myopic. A peripapillary staphyloma was seen in the swept-source OCT images as a gently sloping excavation around the optic disc in all 25 eyes. The posterior sclera in the area of a peripapillary staphyloma was observed to bow posteriorly, with the local curvature steeper than the curvature of the adjacent scleral regions. The sclera at the edge of a peripapillary staphyloma appeared to be elevated inward from the surrounding sclera, and the choroid at the staphyloma edge appeared to be compressed and thinned. A peripapillary intrachoroidal cavitation was a frequent complication and was found in 13 eyes with a peripapillary staphyloma (52.5%).
  
  
  CONCLUSIONS
  Swept-source OCT can detect the slight changes of the sclera and choroid in the area of a peripapillary staphyloma, and we recommend its use in determining the presence of a peripapillary staphyloma.
authors.affiliation: Department of Ophthalmology and Visual Science, Tokyo Medical and Dental University, Tokyo, Japan.
authors.forename: Kosei
authors.initials: K
authors.lastname: Shinohara
authors.affiliation: Department of Ophthalmology and Visual Science, Tokyo Medical and Dental University, Tokyo, Japan.
authors.forename: Muka
authors.initials: M
authors.lastname: Moriyama
authors.affiliation: Department of Ophthalmology and Visual Science, Tokyo Medical and Dental University, Tokyo, Japan.
authors.forename: Noriaki
authors.initials: N
authors.lastname: Shimada
authors.affiliation: Department of Ophthalmology and Visual Science, Tokyo Medical and Dental University, Tokyo, Japan.
authors.forename: Takeshi
authors.initials: T
authors.lastname: Yoshida
authors.affiliation: Department of Ophthalmology and Visual Science, Tokyo Medical and Dental University, Tokyo, Japan. Electronic address: k.ohno.oph@tmd.ac.jp.
authors.forename: Kyoko
authors.initials: K
authors.lastname: Ohno-Matsui
mesh_terms: D000368:Aged; D002829:Choroid / Q000473:pathology; D015862:Choroid Diseases / Q000000981:diagnostic imaging*; D004108:Dilatation, Pathologic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D047728:Myopia, Degenerative / Q000175:diagnosis*; D009887:Ophthalmoscopy; D009898:Optic Disk; D012590:Sclera / Q000473:pathology; D015422:Scleral Diseases / Q000000981:diagnostic imaging*; D041623:Tomography, Optical Coherence; D014792:Visual Acuity / Q000502:physiology