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10 - 12 February 2017, MECC Maastricht,The Netherlands.

This Meeting has been awarded 15 CME credits.

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Different bioptics to correct refractive errors

Poster Details


First Author: M. Dvali GEORGIA

Co Author(s): N. Tsintsadze   B. Sirbiladze                 

Abstract Details

Purpose:

To evaluate the results of different kind of Biptics method: spherical ICL + LASIK in high ametropia, intrastromal corneal ring segments (ISCRS) + ICL or ICL after Penetrating keratoplasty (PK) in keratoconus cases, toric extra high astigmatic IOL (Medicontur co) implantation in complicated cataract cases after PK performed due to opaque cornea post viral keratitis. As well as to assess the safety, efficacy, stability, and predictability of those procedures during the follow up period.

Setting:

Tbilisi State Medical University, Eye clinic 'Akhali Mzera'

Methods:

Patients’ age – 18-37 years. Bioptics in 39 eyes with Myopia, 9 with hyperopia; ICL after ISCRS in 19 cases, extra high astigmatic toric IOLs in 11 cases. The average SE from -11,20 ± 3,007 in myopia, +6,25 ± 2,156 in hyperopia, astigmatism 1.5 to 14D. UCVA 0.02-0.2;, BCVA 0.09-1.0 pre-op. The target postoperative SE refraction was emetropia. In lasik cases we have never performed the Bioptics procedure in a sequential fashion to avoid potential complications due to using microkeratome on eyes with implanted phakic IOls. Instead, we created flap 2-3 days before the intraocular procedure.

Results:

At 6 months, no eyes lost any BCVA, 16 gained one or more lines. SE after Bioptics -0,186 ± 0,339; +0.5+0.5 and UCVA 0.8-1.0; 0.7-1.0 in myopic and hyperopic patients accordingly. 81% of eyes saw 2025 or better uncorrected. All eyes within 1.25D of the target refraction, 4 eyes developed increase of IOP the first days after surgery. 5 eyes had moderate pigmentary dispersion. Mild vaulting not affecting final visual outcomes was observed in three hyperopic cases. There were no other significant complications and the refractive effect remained stable during the follow-up period (ranged 1 to 36 months).

Conclusions:

The type, degree of amteropia as well as patient’s age and professional activities define the method of surgical correction. ICL implantation as well as Bioptics are effective, safe and predictable procedures, their results are absolutely comparable. We prefer to perform ICL implantation (sperical or toric) in case of high ametropia but when degree of ametropia exceeds -15.0 D, it is preferable to perform Bioptics, as ICL destined for high degree ametropia are quite thick and the risk of touching anterior capsule of natural IOL increases.

Financial Disclosure:

None

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