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BRIEF REPORT
Year : 2008  |  Volume : 56  |  Issue : 1  |  Page : 78-80

Anterior dislocation of a sulcus fixated posterior chamber intraocular lens in a high myope


1 Bombay City Eye Institute and Research Center, 5 Victor Villa, Babulnath Road, Mumbai - 400 007, Maharashatra,Jyotirmay Eye Clinic and Pediatric Low Vision Center, 205 Ganatra Estate, Pokhran Road No 1, Khopat, Thane West - 400 601, Maharashtra, India
2 Bombay City Eye Institute and Research Center, 5 Victor Villa, Babulnath Road, Mumbai - 400 007, Maharashatra, India

Date of Web Publication21-Dec-2007

Correspondence Address:
Mihir Kothari
Jyotirmay Eye Clinic and Pediatric Low Vision Center, 205 Ganatra Estate, Pokhran Road No 1, Khopat, Thane West 400 - 601, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0301-4738.37611

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  Abstract 

A 31-year-old man with high axial myopia and strabismus fixus convergens underwent bilateral refractive lens exchange followed by a squint surgery (bilateral superior partial Jensen's procedure and medial rectus recession). After one year he presented with traumatic anterior dislocation of the sulcus fixated posterior chamber polymethyl methacrylate lens. The lens was dialed back into the ciliary sulcus without any complications. This case highlights the importance of implanting an intraocular lens (IOL) in-the-bag. If the IOL needs to be implanted in the sulcus, a larger diameter of the IOL with larger optic size and overall length is desirable, especially in highly myopic eyes.

Keywords: Anterior dislocation, complication, high myopia, intraocular lens implant, sulcus fixation


How to cite this article:
Kothari M, Asnani P, Kothari K. Anterior dislocation of a sulcus fixated posterior chamber intraocular lens in a high myope. Indian J Ophthalmol 2008;56:78-80

How to cite this URL:
Kothari M, Asnani P, Kothari K. Anterior dislocation of a sulcus fixated posterior chamber intraocular lens in a high myope. Indian J Ophthalmol [serial online] 2008 [cited 2020 Feb 26];56:78-80. Available from: http://www.ijo.in/text.asp?2008/56/1/78/37611

Traumatic dislocation of an intraocular lens (IOL) can result in its displacement into the suprachoroidal space,[1] subconjunctival space [2],[3],[4],[5] and vitreous cavity.[6] Occasionally, it can also extrude from the eye following trauma. [7],[8],[9],[10] Dislocation of an IOL in the anterior chamber is rare. Plate haptic silicone IOLs [11], [12] are reported to dislocate in the anterior chamber due to fibrosis of the capsular bag or after a YAG anterior capsulotomy. In one report damage to the haptics of foldable multipiece acrylic lenses was the cause of anterior dislocation.[13] There also exists one report of post traumatic anterior dislocation of a polymethyl methacrylate (PMMA) IOL.[14] The anterior dislocation of IOL is also reported to occur in toto with the capsular bag in patients with pseudoexfoliation.[15],[16]

In this report a well-centered single piece ciliary sulcus fixated PMMA IOL completely dislocated into the anterior chamber without wound dehiscence or an iris trauma in a highly myopic eye. This report provides yet another reason to ensure meticulous insertion of an IOL in the capsular bag, especially in a highly myopic eye.


  Case History Top


A 31-year-old man presented with insidious onset horizontal diplopia for one year. He used spectacles since the age of six years. His best corrected visual acuity was 20/60 in the right eye with -32.0 diopter (D) and 20/60 in the left eye with -31.0 D. Orthoptic evaluation revealed 25 prismD esotropia in the right eye. Abduction on both sides was limited [Figure - 1]. Forced duction test was negative. He was diagnosed to have myopic strabismus fixus convergens. He underwent bilateral clear lens extraction with PMMA IOL (Model S3500, Optic size 5.0 mm, overall length 12.0 mm, posterior vault 0.3 mm, Modified "C" Loop haptics, Aurolab, Madurai, India) implantation. Postoperative targeted refraction was -2.0 D. After simple lens aspiration, IOL was implanted through a 5.0 mm superior sutureless scleral tunnel incision (+4 D in right eye and +5.5 D in the left). Surgery in the right eye was followed by left eye surgery. Postoperatively IOL in the left eye was noted to be inadvertently placed in the sulcus where it was stable, well-centered and without any tilt for 12 months until the patient sustained an injury to his left eye with a cricket ball.

In the interim period he underwent bilateral partial superior Jensen's procedure[17] with medial rectus recession achieving orthoptropia and resolution of diplopia. Abduction in both eyes improved significantly.

A year after the IOL implantation, he came with the complaint of mild pain in the left eye following an injury with a cricket ball three days prior to the presentation. On examination his best corrected visual acuity was the same as it was four months back. The IOL in the right eye was well-centered and in-the-bag [Figure - 2] while there was a total anterior dislocation of IOL in the left eye [Figure - 3]. His best corrected visual acuity was 20/60 with -2.5 D -1.0D x90 in both eyes. This was associated with mild traumatic uveitis (cells 1+ and flare 1+). There was no iris sphincter tear or hyphema. The cataract surgery wound was intact. The capsular bag was intact and there was a fibrotic fusion of the anterior and posterior capsule along the capsulorrhexis margins in the left eye [Figure - 4]. Since the fibrotic adhesions between the anterior and posterior capsule could not be released, the IOL was dialed back into the ciliary sulcus under topical anesthesia and the pupil was constricted with pilocarpine. The uveitis resolved with topical steroids.


  Discussion Top


This is a rare case where a single-piece PMMA IOL, implanted in the sulcus dislocated completely into the anterior chamber without a wound dehiscence or an iris trauma. Sudden positive pressure in the vitreous cavity following blunt trauma behind the iris in an enlarged globe of this high myope could have pushed the sulcus placed PCIOL into the anterior chamber through a large pupil. Alternatively a lens-iris diaphragm retropulsion (LIDRS) type phenomenon might have occurred, with extreme dilation of the pupil when the cricket ball hit, followed by rebound of the PCIOL into the anterior chamber. The IOL in this patient was inadvertently implanted in the ciliary sulcus. The overall length of the IOL and the optic size were smaller than desired for the sulcus fixation. A small size of the capsulorrhexis opening with the posterior capture of the IOL optic or a suture fixation of the IOL or use of miotics could prevent this complication. Nevertheless, the most important message is to take meticulous care to place an IOL in-the-bag in every case.

 
  References Top

1.
Foster JA, Lam S, Joondeph BC, Sugar J. Suprachoroidal dislocation of a posterior chamber intraocular lens. Am J Ophthalmol 1990;109:731-2.   Back to cited text no. 1
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2.
Sandramouli S, Kumar A, Rao V, Khosla A. Subconjunctival dislocation of posterior chamber intraocular lens. Ophthalmic Surg 1993;24:770-1.  Back to cited text no. 2
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Kumar A, Nainiwal SK, Dada T, Ray M. Subconjunctival dislocation of an anterior chamber intraocular lens. Ophthalmic Surg Lasers 2002;33:319-20.   Back to cited text no. 3
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Bene C, Kranias G. Subconjunctival dislocation of a posterior chamber intraocular lens. Am J Ophthalmol 1985;99:85-6.   Back to cited text no. 4
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Biedner B, Rothkoff L, Blumenthal M. Subconjunctival dislocation of intraocular lens implant. Am J Ophthalmol 1977;84:265-6.  Back to cited text no. 5
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Assia EI, Blotnick CA, Powers TP, Legler UF, Apple DJ. Clinicopathologic study of ocular trauma in eyes with intraocular lenses. Am J Ophthalmol 1994;117:30-6.  Back to cited text no. 6
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Magargal LE, Shakin E, Bolling JP, Robb-Doyle E. Traumatic extrusion of posterior chamber lenses: Clinical and experimental correlations. J Cataract Refract Surg 1986;12:670-3.  Back to cited text no. 7
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Jenkins C. Periocular migration of an intraocular lens. Br J Ophthalmol 1992;76:688-9.  Back to cited text no. 8
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Cobble CR. Traumatic expulsion of an intraocular lens. Am J Ophthalmol 1982;94:263.  Back to cited text no. 9
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Smiddy WE, Flynn HW Jr. Management of dislocated posterior chamber intraocular lenses. Ophthalmology 1991;98:889-94.  Back to cited text no. 10
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11.
Khokhar S, Dhingra N. Anterior dislocation of foldable silicone lens. Indian J Ophthalmol 1998;46:252-3.   Back to cited text no. 11
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Dick B, Schwenn O, Stoffelns B, Pfeiffer N. Late dislocation of a plate haptic silicone lens into the vitreous body after Nd:YAG capsulotomy: A case report. Ophthalmologe 1998;95:181-5.  Back to cited text no. 12
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13.
Por YM, Chee SP. Spontaneous disinsertion of a multipiece foldable acrylic intraocular lens haptic 3 and 12 months after implantation. J Cataract Refract Surg 2004;30:1139-42.  Back to cited text no. 13
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14.
Superstein R, Gans M. Anterior dislocation of a posterior chamber intraocular lens after blunt trauma. J Cataract Refract Surg 1999;25:1418-9.   Back to cited text no. 14
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15.
Por YM, Chee SP. Late spontaneous anterior dislocation of an intraocular lens (IOL) with the capsular bag. Eye 2006;20:515-7.   Back to cited text no. 15
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16.
Choudhary A, Sahni J, Kaye SB. Late spontaneous anterior dislocation of an intraocular lens (IOL) with the capsular bag. Eye 2005;19:101-2.   Back to cited text no. 16
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17.
Larsen PC, Gole GA. Partial Jensen's procedure for the treatment of myopic strabismus fixus. J AAPOS 2004;8:393-5  Back to cited text no. 17
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    Figures

  [Figure - 1], [Figure - 2], [Figure - 3], [Figure - 4]


This article has been cited by
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