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(astigmatism)
11,648 results
  • Comparative Analysis of LASIK Flap Diameter and its Centration Using Two Different Femtosecond Lasers. [Journal Article]
    Med Hypothesis Discov Innov Ophthalmol 2019; 8(3):241-249Moshirfar M, Brown TW, … Hoopes PC
  • The aim of this study was to compare the diameter, accuracy, variability, and centration with respect to the limbus of corneal flaps created by two femtosecond lasers, the VisuMax, and Wavelight FS200, for laser in situ keratomileusis (LASIK) and how these flaps affect visual outcomes. This is a retrospective chart review of flap morphology created during LASIK Surgery. Overall, 168 eyes underwen…
  • Case Series: Slight Intraocular Lens Malpositioning as a Potential Cause of Vision Loss. [Journal Article]
    Optom Vis Sci 2019; 96(10):802-807Rong X, Miao A, … Zhu X
  • CONCLUSIONS: The cases illustrate an insidious cause of decreased visual acuity after cataract surgery.Inconspicuous IOL malpositioning is one of the reasons responsible for decreased vision acuity after cataract surgery, which may not be easily identified by slit-lamp examination. High astigmatism and ocular higher-order aberrations derived from malpositioned IOL can be important clues.
  • Correlations of Corneal Spherical Aberration with Astigmatism and Axial Length in Cataract Patients. [Journal Article]
    J Ophthalmol 2019; 2019:4101256Zhang M, Qian D, … Jiang Y
  • CONCLUSIONS: Axial length has a negative effect on the anterior and total corneal SAs, which stabled around 0.33 μm and 0.30 μm in patients with axial length of ≥26 mm, respectively. Individualized SA adjustments are essential for patients undergoing aspheric toric IOL implantation with preoperative anterior corneal astigmatism of 1-2 D or ≥3 D. Toric IOLs with a negative SA of -0.20 μm are recommended for patients with anterior corneal astigmatism of 2-3 D if no customized therapy is warranted.
  • Keratoconus Screening Among Myopic Children. [Journal Article]
    Clin Ophthalmol 2019; 13:1909-1912Omar IAN
  • CONCLUSIONS: Children with high myopia irrespective of the degree of astigmatism may have corneal abnormalities which are more pronounced in cases with vernal keratoconjunctivitis. Corneal examination should be performed for highly myopic children to detect any corneal abnormality and to treat it as early as possible.
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