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OPHTHALMIC IMAGE
Year : 2020  |  Volume : 68  |  Issue : 12  |  Page : 3035

Clear crescent: Laser-assisted in situ keratomileusis flap displacement


Dr. Rajendra Prasad Centre for Ophthalmic Sciences, AIIMS, New Delhi, India

Date of Web Publication23-Nov-2020

Correspondence Address:
Dr. Namrata Sharma
Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, Ansari Nagar, New Delhi
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijo.IJO_909_20

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How to cite this article:
Bafna RK, Sharma N, Mahalingam K. Clear crescent: Laser-assisted in situ keratomileusis flap displacement. Indian J Ophthalmol 2020;68:3035

How to cite this URL:
Bafna RK, Sharma N, Mahalingam K. Clear crescent: Laser-assisted in situ keratomileusis flap displacement. Indian J Ophthalmol [serial online] 2020 [cited 2024 Mar 29];68:3035. Available from: https://journals.lww.com/ijo/pages/default.aspx/text.asp?2020/68/12/3035/301278



A 24-year-old female presented on the second postoperative day after laser-assisted in situ keratomileusis (LASIK) surgery. She gave a history of rubbing her right eye (RE) on the next day after surgery. The slit lamp evaluation revealed the presence of an inferior crescent in the RE ([Figure 1]a- image captured on smartphone), and on further slit lamp examination the flap displacement [Figure 1]b was noted superiorly. Anterior segment optical coherence tomography (OCT) [Figure 1]c confirmed the above findings. Flap repositioning was done after refloating the flap. Traumatic flap displacement occurs in 1%–2% of cases more often within the first 24 hr but may also occur after 7 years.[1],[2]
Figure 1: (a) Smartphone photography showing inferior crescent shaped defect. (b) Slitlamp examination showing superior Lasik flap displacement with inferior gaping. (c) Anterior Segment OCT confirming slitlamp findings

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Immediate flap repositioning is advised in all cases to prevent epithelial ingrowth and diffuse lamellar keratitis.

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Sinha R, Shekhar H, Tinwala S, Gangar A, Titiyal JS. Late post-traumatic flap dislocation and macrostriae after laser in situ keratomileusis. Oman J Ophthalmol 2014;7:25-7.  Back to cited text no. 1
[PUBMED]  [Full text]  
2.
Cheng AC, Rao SK, Leung GY, Young AL, Lam DS. Late traumatic flap dislocations after LASIK. J Refract SurgThorofare NJ 1995 2006;22:500-4.  Back to cited text no. 2
    


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