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LETTER TO THE EDITOR
Year : 2008  |  Volume : 56  |  Issue : 2  |  Page : 170-171

Greenish discoloration of silicone intraocular lens


Aravind Eye Hospital, Thavalakuppam, Pondicherry - 605 007, India

Date of Web Publication16-Feb-2008

Correspondence Address:
Rengaraj Venkatesh
Aravind Eye Hospital, Thavalakuppam, Pondicherry - 605 007
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0301-4738.39138

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How to cite this article:
Venkatesh R, Thirumalai Kumar T, Ravindran RD. Greenish discoloration of silicone intraocular lens. Indian J Ophthalmol 2008;56:170-1

How to cite this URL:
Venkatesh R, Thirumalai Kumar T, Ravindran RD. Greenish discoloration of silicone intraocular lens. Indian J Ophthalmol [serial online] 2008 [cited 2020 Jun 2];56:170-1. Available from: http://www.ijo.in/text.asp?2008/56/2/170/39138

Dear Editor,

Recently there has been a series of reports of greenish discoloration of silicone intraocular lens (IOL) in the literature. Siddeque et al. [1] reported greenish discoloration of a CeeOn 911A IOL, Ashraf et al. [2] reported greenish discoloration of an AMO SI-30NB silicone IOL and recently Sathyan et al. [3] reported greenish discoloration of two cases of Allergan SI-40NB silicone IOL.

We noted a green discoloration of a silicone IOL (Allergan SI-40NB, serial number: 1621950304, overall length 13.0 mm; optic size 6.0 mm) occurring in the right eye of a 60-year-old healthy female patient who underwent uneventful phacoemulsification in November 2003. No intraocular dye (trypan blue or indocyanine green) was used to stain the anterior capsule. Her postoperative period was uneventful for one month. Patient was examined after 34 months for complaints of gradual loss of vision in the fellow left eye due to cataract. There were no visual complaints and the patient had a best-corrected visual acuity of 20/20 with normal color vision and contrast sensitivity in the operated right eye. Slit-lamp examination with slit and diffuse illumination [Figure - 1] showed a normal anterior segment with homogeneous green appearance of the IOL affecting the entire optic. The patient was unwilling to undergo IOL replacement and therefore no laboratory analysis of the IOL could be performed.

This is the fourth case report in the recent past of greenish discoloration of silicone IOL. In all the five cases the patients were unwilling to undergo IOL replacement and therefore the reason for the color change could not be ascertained.

 
  References Top

1.
Siddique M, Ashraf KM, Qazi ZA. Greenish discoloration of a CeeON 911A silicone intraocular lens. Eye 2005;9:1349-50.  Back to cited text no. 1
    
2.
Ashraf KM, Siddique M, Zia R, Qazi ZA. Greenish discoloration of an AMO SI-30NB silicone intraocular lens. Acta Ophthalmol Scan 2005;83:518-9.  Back to cited text no. 2
    
3.
Sathyan P, Myint K, Singh G, Mon S, Sathyan P, Dhillon B. Late green discoloration of Allergan SI-40NB silicone intraocular lens. J Cataract Refract Surg 2006;32:1584-5.  Back to cited text no. 3
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