Literature DB >> 27221690

Comparison of surgically induced astigmatism between horizontal and X-pattern sutures in the scleral tunnel incisions for manual small incision cataract surgery.

Ruchi Goel1, Smriti Nagpal1, Krishan Pal Singh Malik2, Abhilasha Sanoria1.   

Abstract

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Mesh:

Year:  2016        PMID: 27221690      PMCID: PMC4901856          DOI: 10.4103/0301-4738.182953

Source DB:  PubMed          Journal:  Indian J Ophthalmol        ISSN: 0301-4738            Impact factor:   1.848


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Dear Sir, We read the article titled, “Comparison of surgically induced astigmatism between horizontal and X-pattern sutures in the scleral tunnel incisions for manual small incision cataract surgery” with great interest[1] and would like to draw your attention toward certain extremely relevant points which have not been covered appropriately. Various ways of suturing the scleral tunnel incisions have been described in the literature.[2] The author chose to compare two such methods. However, if the study was aimed at finding the effect of suturing technique, in that case, the site of incision should not have been altered. This has created another variable in the study. There is no information regarding the magnitude of astigmatism for which the incision placement was changed. Temporal incisions are known to induce lesser astigmatism.[3] The technique described by the author is phacosandwich technique initially described by Fry.[4] It is difficult to perform this procedure in 5 mm incision with two instruments entering the anterior chamber. Further, there is no description of the hardness of the nuclei. Softer nuclei mold themselves and can be delivered without multiple instrumentations inside the anterior chamber. The capsular opening mentioned is 5-6 mm. It may not be possible to take out a rock hard brown or black cataract through even 6 mm capsular opening! As surgically induced astigmatism is more for sections more than 6 mm in size, the study would have been more relevant to section size 6 mm or more for applicability to the developing world where rock hard cataracts are extremely common![5]

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Conflicts of interest

There are no conflicts of interest.
  3 in total

1.  Reduction in astigmatism in manual small incision cataract surgery through change of incision site.

Authors:  Nikhil S Gokhale; Saurabh Sawhney
Journal:  Indian J Ophthalmol       Date:  2005-09       Impact factor: 1.848

2.  Role of small incision cataract surgery in the Indian scenario.

Authors:  Ravi Thomas
Journal:  Indian J Ophthalmol       Date:  2009 Jan-Feb       Impact factor: 1.848

3.  Comparison of surgically induced astigmatism between horizontal and X-pattern sutures in the scleral tunnel incisions for manual small incision cataract surgery.

Authors:  Yadollah Eslami; Arash Mirmohammadsadeghi
Journal:  Indian J Ophthalmol       Date:  2015-07       Impact factor: 1.848

  3 in total

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