May 2008
Volume 49, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2008
Visual Acuity and Geometric Patterns Analysis Using Visante OCT for Intralase â" Enabled Keratoplasty
Author Affiliations & Notes
  • M. Avila
    Ophthalmology, Federal University of Sao Paulo, Sao Paulo, Brazil
  • E. Lindoso
    Ophthalmology, Eye Hospital of Sorocaba, Sorocaba, Brazil
  • L. Grupenmacher
    Ophthalmology, Eye Hospital of Sorocaba, Sorocaba, Brazil
  • A. Forseto
    Ophthalmology, Eye CLINIC, Sao Paulo, Brazil
  • J. Marques
    Ophthalmology, Eye CLINIC, Sao Paulo, Brazil
  • L. Barbosa
    Ophthalmology, Federal University of Sao Paulo, Sao Paulo, Brazil
    Ophthalmology, Eye Hospital of Sorocaba, Sorocaba, Brazil
  • W. Nose
    Ophthalmology, Federal University of Sao Paulo, Sao Paulo, Brazil
    Ophthalmology, Eye CLINIC, Sao Paulo, Brazil
  • Footnotes
    Commercial Relationships  M. Avila, None; E. Lindoso, None; L. Grupenmacher, None; A. Forseto, None; J. Marques, None; L. Barbosa, None; W. Nose, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 1952. doi:
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      M. Avila, E. Lindoso, L. Grupenmacher, A. Forseto, J. Marques, L. Barbosa, W. Nose; Visual Acuity and Geometric Patterns Analysis Using Visante OCT for Intralase â" Enabled Keratoplasty. Invest. Ophthalmol. Vis. Sci. 2008;49(13):1952.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: : To evaluate the best corrected visual acuity, the manifest refraction and the wound healing results after Intralase â€" Enabled keratoplasty (IEK).

Methods: : Manifest refractions and best corrected visual acuity(Logmar) were prospectively measured in patients with keratoconus before and at 1, 2, 3 and 4 months after IEK. Geometric patterns and wound healing after surgery was evaluated using Visante OCT.

Results: : 21 consecutive eyes were evaluated. Pre-operative best corrected visual acuity averaged was 0.17 (range = 0.05 to 0.3). Post- operative best corrected visual acuity averaged at 1 month was 0.265 (range = 0.2 to 0.5), at 2 months 0.245 (range = 0.2 to 0.5), at 3 months 0.21 (range = 0.2 to 0.5), at 4 months 0.18 (range = 0.1 to 0.4).90.4% of patients were 0.3 or better 3 months post-operative. One patient with 4 months after IEK reported a best corrected visual acuity of 1.0.Average spherical refraction was â€" 1.467 (range = - 5.25 to 3.00) and negative cylinder was -2.33(range = -0.5 to -6.00).The Visante OCT showed the geometric patterns, good wound healing and reproducible dimensions of the cuts made in donor and host tissue.

Keywords: cornea: clinical science • imaging methods (CT, FA, ICG, MRI, OCT, RTA, SLO, ultrasound) • refractive surgery: other technologies 
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