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   Table of Contents      
ARTICLES
Year : 1981  |  Volume : 29  |  Issue : 4  |  Page : 367-368

Vitrectomy-A para plana approach


Institute of Ophthalmology and Sarojini Devi Eye Hospital, Hyderabad, India

Correspondence Address:
M Satapathy
Institute of Ophthalmology and Sarojini Devi Eye Hospital, Hyderabad
India
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Source of Support: None, Conflict of Interest: None


PMID: 7346461

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How to cite this article:
Satapathy M, Goud A S, Gangadhar G, Murthy S S. Vitrectomy-A para plana approach. Indian J Ophthalmol 1981;29:367-8

How to cite this URL:
Satapathy M, Goud A S, Gangadhar G, Murthy S S. Vitrectomy-A para plana approach. Indian J Ophthalmol [serial online] 1981 [cited 2019 Oct 15];29:367-8. Available from: http://www.ijo.in/text.asp?1981/29/4/367/30933

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Table 4

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Table 2

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Table 1

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Table 1

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Machemar[1] tried Closed Technique of Vitrectomy through Pars-Plana in several diseases of Vitreous with encouraging results.

In the present series of 25 selected cases, vitrectomy by Pars-Plana Approach has been attempted, and follow up is being made during the year 1977-78 at the Institute of Ophthal­mology & Sarojini Devi Eye Hospital, Hyderabad.

All the cases were subjected to visual acuity, slit lamp examination, examination with three mirror contact lens, direct and indirect ophthalmoscopy; apart from general examination. Cases without PL and PR cases with Rubeosis Iridis and Corneal Opacities were not included in this series. The vitreous haemorrhages of 3-6 months duration only were taken. Electro Retinography and ultra­ sonagraphy could not be taken up in the present study.

Surgical Technique:

Because of the lengthy procedure of Vitrectomy general anaesthesia was preferred with the exception of diabetics. Pupils were dilated to observe the details of the posterior segment.

The instrument (Vitreous infusion suction cutter) manufactured by Ophthalmic Instru­ment Company, Madras with the patent name of Vijaya Sukut is available presently at the Institute of Ophthalmology and Sarojini Devi Eye Hospital, Hyderabad and it is being used for the cases of Vitreous disorders.

During surgery peritomy was done over the superior temporal quadrant, and sclera was exposed, including the insertion of superior and lateral rectus muscles. Stay sutures were applied to the superior and lateral rectus muscles.

The entrance of the site was selected 4.5 mm away from the Limbus. Sclerotomy was done above the insertion of the lateral rectus muscle.

The tip of the instrument was introduced through the Sclerotomy wound after mild diathermy on the uveal tissues. The intra ocular tension was maintained throughout by increasing the infusion rate of interrupting the working of the suction unit.

The removal of intra ocular cyst and foreign bodies in this series was done through similar approach and with help of intra vitreal cryo probe and hand magnet respectively followed by lavage in the central zone to remove the opacities of vitreous.


  Observations Top


The changes in cornea and aqueous were temporary and responded well to local steroids. The variation of the I.O.P. stabilised to normal within a period of one to two weeks with the help of oral diamox.

No case has shown improvement beyond 6/ 18 due to persistant vitreous floaters.


  Summary Top


25 cases of different disorders of vitreous treated with vitreous infusion suction and cutter and other necessary surgical procedures and results are evaluated.

 
  References Top

1.
Machemer R, 1972, Amer. J. Ophthalmol. 74: 1034.  Back to cited text no. 1
    



 
 
    Tables

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



 

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