title: Corneal densitometry changes in a patient with interface fluid syndrome after small incision lenticule extraction.
abstract: BACKGROUND
  To report a case of interface fluid syndrome (IFS) following small incision lenticule extraction (SMILE) evaluated with corneal densitometry and optical coherence tomography (OCT).
  
  
  METHODS
  An 18-year-old man reported sudden vision loss 24 days after SMILE procedure. Intraocular pressure (IOP) was 36.3 mmHg (OD) and 36.7 mmHg (OS) by noncontact tonometry. Moderate corneal edema, interface fluid pocket and haze were observed by OCT and confirmed by corneal densitometry values. Discontinuation of steroids and addition of hypotensive medication were offered immediately. The symptoms were cured after the medication. Changes of corneal densitometry were consistent with the clinical course of IFS.
  
  
  CONCLUSIONS
  This case illustrates that it is crucial to be aware that a history of SMILE can also cause IFS. Both OCT and corneal densitometry can serve as auxiliary means to evaluate the clinical course of IFS, and appropriate IOP management is an effective approach.
authors.affiliation: Key Lab of Myopia, Ministry of Health, Department of Ophthalmology and Vision Science, Eye and ENT Hospital of Fudan University, No.19 Baoqing Road, Xuhui District, Shanghai, China.
authors.forename: Ke
authors.initials: K
authors.lastname: Zheng
authors.affiliation: Key Lab of Myopia, Ministry of Health, Department of Ophthalmology and Vision Science, Eye and ENT Hospital of Fudan University, No.19 Baoqing Road, Xuhui District, Shanghai, China.
authors.forename: Tian
authors.initials: T
authors.lastname: Han
authors.affiliation: Key Lab of Myopia, Ministry of Health, Department of Ophthalmology and Vision Science, Eye and ENT Hospital of Fudan University, No.19 Baoqing Road, Xuhui District, Shanghai, China.
authors.forename: Meiyan
authors.initials: M
authors.lastname: Li
authors.affiliation: Key Lab of Myopia, Ministry of Health, Department of Ophthalmology and Vision Science, Eye and ENT Hospital of Fudan University, No.19 Baoqing Road, Xuhui District, Shanghai, China.
authors.forename: Yinan
authors.initials: Y
authors.lastname: Han
authors.affiliation: Key Lab of Myopia, Ministry of Health, Department of Ophthalmology and Vision Science, Eye and ENT Hospital of Fudan University, No.19 Baoqing Road, Xuhui District, Shanghai, China.
authors.forename: Ye
authors.initials: Y
authors.lastname: Xu
authors.affiliation: New Vision Laser Centers, Vadodara, Gujarat, India.
authors.forename: Rupal
authors.initials: R
authors.lastname: Shah
authors.affiliation: Key Lab of Myopia, Ministry of Health, Department of Ophthalmology and Vision Science, Eye and ENT Hospital of Fudan University, No.19 Baoqing Road, Xuhui District, Shanghai, China. doctzhouxingtao@163.com.
authors.forename: Xingtao
authors.identifier: http://orcid.org/0000-0002-3465-1579
authors.initials: X
authors.lastname: Zhou
mesh_terms: D001696:Biomechanical Phenomena; D003319:Corneal Stroma / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery*; D003720:Densitometry / Q000379:methods*; D006801:Humans; D007429:Intraocular Pressure / Q000502:physiology; D008297:Male; D009216:Myopia / Q000175:diagnosis / Q000503:physiopathology / Q000601:surgery*; D013508:Ophthalmologic Surgical Procedures / Q000379:methods*; D011184:Postoperative Period; D013577:Syndrome; D041623:Tomography, Optical Coherence; D055815:Young Adult
keywords: Corneal densitometry; Interface fluid syndrome (IFS); Small incision lenticule extraction (SMILE)