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Effect of Implanted Myoring depth on postoperative outcomes in keratoconus patients

Session Details

Session Title: Cornea
Session Date/Time: Sunday 22/02/2015 | 08:30-11:00
Paper Time: 09:30
Venue: Hall 2
First Author: : K.Jadidi IRAN
Co Author(s): :    A. Jabbari Fard   M. Amiri   Y. Mehrabi   S. Mosavi   F. Nejat   s. serahati

Abstract Details

Purpose:

To evaluate the effect of implanted Myoring depth on postoperative outcomes in keratoconus patients

Setting:

Department of Ophthalmology, Bina Eye Hospital , Tehran, Iran

Methods:

The MyoRing (Dioptex GmbH) was implanted after creation of an intrastromal pocket using pocket maker microkeratom for 26 eyes of 26 patients with moderate and advanced keratoconus. All patients had at least 3 months of follow-up. Preoperative and postoperative visual acuity, keratometry and refraction were the main outcome measures of the study.Moreover, the depth of implanted myoring was measured using visante oct (carl ziess meditec) postoperatively

Results:

At the 3-month follow-up visit, there was a statistically significant reduction in the mean spherical equivalent refractive error (-0.35±1.38D postoperative versus -5.45±2.73D preoperative, p<0.001). The mean sphere and cylinder decreased from -3.15±2.72D to 0.80±1.48D and from -4.60±1.27D to -2.25±1.10D respectively, p<0.001). The mean UCVA (logMAR) improved from 0.96±0.29 preoperatively to 0.39±0.29 postoperatively (p=0.001), while mean BSCVA (logMAR) improved from 0.53±0.27 to 0.25±0.16, p=0.001).Additionally, the mean K reading decreased by 3.45 D. While no significant correlation was found between myoring depth with UDVA,CDVA,astigmatism and keratometry, significant correlation was found between the depth of myoring with sphere and spherical equivalent.

Conclusions:

No significant correlation was found between the depth of implanted myoring with visual acuity, keratometry and refraction in keratoconus patients postoperatively except in sphere and spherical equivalent.More flatter myoring depth induced more decrease in myopia and spherical equivalent

Financial Disclosure:

NONE

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