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   Table of Contents      
LETTER TO THE EDITOR
Year : 2017  |  Volume : 65  |  Issue : 4  |  Page : 327

Comment on: To assess survival outcomes of combined femtosecond laser-assisted cataract surgery with 25-gauge vitrectomy surgery at a tertiary eye care center


1 Department of Ophthalmology, MGM Medical College and Hospital, Navi Mumbai, Maharashtra, India
2 Department of Ophthalmology, Shivam Eye Clinic, Navi Mumbai, Maharashtra, India

Date of Web Publication17-May-2017

Correspondence Address:
Neeraj Ashok Israni
Department of Ophthalmology, MGM Medical College and Hospital, Kamothe, Navi Mumbai - 410 209, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijo.IJO_961_16

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How to cite this article:
Israni NA, Kanhere M, Kathiriya V, Ramchandani S. Comment on: To assess survival outcomes of combined femtosecond laser-assisted cataract surgery with 25-gauge vitrectomy surgery at a tertiary eye care center. Indian J Ophthalmol 2017;65:327

How to cite this URL:
Israni NA, Kanhere M, Kathiriya V, Ramchandani S. Comment on: To assess survival outcomes of combined femtosecond laser-assisted cataract surgery with 25-gauge vitrectomy surgery at a tertiary eye care center. Indian J Ophthalmol [serial online] 2017 [cited 2020 Nov 29];65:327. Available from: https://www.ijo.in/text.asp?2017/65/4/327/206338



Sir,

We have read with keen interest the article entitled, “To assess surgical outcomes of combined femtosecond laser-assisted cataract surgery with 25-gauge vitrectomy surgery at a tertiary eye care center” by Kelkar et al.[1] Although the article has enlightened us, we have a few queries regarding the same.

  1. Why was a posterior capsulotomy done in all cases? Was it because of intraoperative view issue? Was it to prevent postoperative opacification with necessity of a yttrium aluminum garnet capsulotomy?


  2. If an aspheric hydrophobic lens was used in all cases, the incidence of posterior capsular opacification would be low in any case.[2] Second, the incidence of neovascularization of iris increases with an open capsule and hence a posterior capsulotomy should have been avoided in the diabetic vitrectomy cases at least.[3]

    None of the patients had a Grade 4 cataract. A competent phacoemulsification surgeon would have had no difficulty in doing cataract surgery in any of these cases. In any case, the authors have mentioned that they did away with nucleus softening procedures in cataract less than Grade 4 nuclear sclerosis, which in effect includes all the patients [Table 2]. Hence, we gather that the only procedure, which was done consistently, was a femto rhexis. In our experience, the rhexis does not play such an important role in combined cataract surgery and vitrectomy to merit such a complex and expensive procedure.

    There were two cases of rhegmatogenous retinal detachment with cataract. What was the indication of vitrectomy in these cases? Was it a primary vitrectomy? In which case why was silicon oil used as tamponade? Did the patients have proliferative vitreoretinopathy changes? Was there any need for a band? As the retina was attached postoperatively in both the cases, probably a belt was not needed but then could these patients have been managed with either pneumatic retinopexy or a buckle, and a cataract surgery could have been done at a later date. This would have solved the conundrum of intraocular lens power calculation in an eye with retinal detachment. Gómez-Resa et al. have used a scleral buckle in the single case that was found to have a retinal detachment intraoperatively in spite of doing 23-gauge vitrectomy with a femto cataract surgery.[4]

  3. Vitreous base shaving was done in the eyes with retinal detachment. Was scleral depression used during this maneuver? Was the tunnel stable during this procedure? In our experience, the main tunnel has to be sutured to prevent leakage and subsequent problems in a conventional phacovitrectomy for retinal detachments. This suture is removed at the end of surgery. Was it different here? The tunnel was anyways made with a keratome and hence the femto wound architecture is taken out of the equation.


  4. We feel that the jury is still out for femto cataract surgery and hence, in our country at least with economic constraints, a femto cataract surgery with vitrectomy has no advantages whatsoever over a conventional phacovitrectomy.


Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Kelkar A, Kelkar J, Chitale S, Shah R, Jain A, Kelkar S. To assess surgical outcomes of combined femtosecond laser-assisted cataract surgery with 25-gauge vitrectomy surgery at a tertiary eye care center. Indian J Ophthalmol 2016;64:584-8.  Back to cited text no. 1
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2.
Vasavada AR, Raj SM, Shah A, Shah G, Vasavada V, Vasavada V. Comparison of posterior capsule opacification with hydrophobic acrylic and hydrophilic acrylic intraocular lenses. J Cataract Refract Surg 2011;37:1050-9.  Back to cited text no. 2
    
3.
Rice TA, Michels RG, Maguire MG, Rice EF. The effect of lensectomy on the incidence of iris neovascularization and neovascular glaucoma after vitrectomy for diabetic retinopathy. Am J Ophthalmol 1983;95:1-11.  Back to cited text no. 3
    
4.
Gómez-Resa M, Nieto I, Corcóstegui B. Combined 23-gauge vitrectomy and femtosecond laser-assisted cataract surgery. Ophthalmic Res 2014;52:141-6.  Back to cited text no. 4
    




 

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