Results 11 to 20 of about 269,486 (164)
Hemidivisional vector planning to reduce and regularize irregular astigmatism by laser treatment [PDF]
Graefe's Archive for Clinical and Experimental Ophthalmology, 2022 Noel Alpins +2 more
exaly +2 more sources
Management of astigmatism in keratoconus with therapeutic refractive surgery [PDF]
Frontiers in MedicineAstigmatism is a major determinant of visual impairment in keratoconus (KC), yet in this setting it cannot be understood as a simple cylindrical refractive error.
Hao Zhang +7 more
doaj +2 more sources
Evaluation of Corneal Irregular Astigmatism and Visual Quality Following Bilateral Sequential SMILE and LASEK: A Six-Year Comparative Study [PDF]
Journal of OphthalmologyHua Li, Weinan Hu
exaly +2 more sources
Visual rehabilitation with scleral contact lenses in patients with irregular astigmatism [PDF]
Medicina Clínica y SocialIntroduction: Scleral contact lenses (SCLs) are gas-permeable and are placed entirely on the sclera without contacting structures such as the cornea or limbus.
Maria Alessandra Cano-Blaires +2 more
doaj +2 more sources
Indian Journal of Ophthalmology. Case Reports, 2021 MyoRing was implanted using a femtosecond laser to correct a high irregular corneal astigmatism after penetrating keratoplasty and high myopia. Femtosecond laser-assisted intrastromal MyoRing implantation allows to increase its sphericity, regularity and
Pozdeyeva Nadezhda Aleksandrovna +1 more
doaj +1 more source
Frontiers in Medicine, 2022 Keratoconus is a non-inflammatory and degenerative corneal ectasia that determinate progressive steepening of paracentral cornea with development of irregular astigmatism and visual function deterioration.
Raffaele Nuzzi +3 more
doaj +1 more source
TAKE THE RISK OR LOSE THE CHANCE! CASE REPORT [PDF]
Trakia Journal of Sciences, 2021 The hallmark of keratoconus is central or paracentral stromal thinning, accompanied by apical protrusion and irregular astigmatism. Patients typically experience variable reductions in visual acuity, image distortion, and increased sensitivity to glare
G. Tsvetkova, Y. Zdravkov, A. Oscar
doaj +1 more source
Optics of astigmatism and retinal image quality [PDF]
, 2012 In the first part of this chapter, the optical condition of astigmatism is defined. The main causes and available classifications of ocular astigmatism are briefly described.
Arjona Carbonell, Mª Montserrat +5 more
core +3 more sources
Indian Journal of Ophthalmology. Case Reports, 2022 Postoperative astigmatism plays an important role in the final visual outcome of cataract surgery. In small-incision cataract surgery, proper tunnel construction is of utmost importance for good structural integrity, leading to sutureless self-sealing ...
Balasaraswathy +3 more
doaj +1 more source
Transepithelial phototherapeutic keratectomy for post-traumatic recurrent corneal erosions
Indian Journal of Ophthalmology, 2022 Purpose: To evaluate the outcomes of transepithelial phototherapeutic keratectomy (transepithelial PTK) for treatment of posttraumatic recurrent corneal erosions.
RipingZhang +6 more
doaj +1 more source