Astigmatism - Physiopathology
Research News and Information

Sunday, March 21, 2010

Phakic intraocular lens implantation for the correction of myopia: a report by the American Academy of Ophthalmology.

30 Oct 2009 OBJECTIVE: To review the published literature for evaluation of the safety and outcomes of phakic intraocular lens (pIOL) implantation for the correction of myopia and myopic astigmatism. METHODS: Literature searches of the PubMed and Cochrane ... Read more...

Excimer laser correction of moderate to high astigmatism with a non-wavefront-guided aberration-free ablation profile: Six-month results.

29 Sep 2009 PURPOSE: To evaluate the postoperative clinical outcomes and higher-order aberrations (HOAs) in eyes with astigmatism greater than 2.00 diopters (D) that had laser in situ keratomileusis (LASIK) using a non-wavefront-guided aberration-free ablation ... Read more...

Effect of higher order aberrations on contrast sensitivity function in myopic eyes.

6 Sep 2009 PURPOSE: To evaluate the relation between higher order aberrations (HOAs) and contrast sensitivity function (CSF) in a population with myopia. METHODS: In this case series, HOAs were measured in 70 myopic eyes over a 6-mm pupil. Contrast sensitivity ... Read more...

Latest indexed articles for 'Astigmatism - Physiopathology'

These are the very latest articles for this heading:

• Night driving after LASIK. 30 Oct 2009
• Phakic intraocular lens implantation for the correction of myopia: a report by the American Academy of Ophthalmology. 30 Oct 2009
• Excimer laser correction of moderate to high astigmatism with a non-wavefront-guided aberration-free ablation profile: Six-month results. 29 Sep 2009
• Effect of higher order aberrations on contrast sensitivity function in myopic eyes. 6 Sep 2009
• Analysis of actual corneal flap thickness and confounding factors between first and second operated eyes. 30 Aug 2009
• Refractive astigmatism in eyes with pseudoexfoliation syndrome. 30 Aug 2009
• The effect of micro-incision and small-incision coaxial phaco-emulsification on corneal astigmatism. 30 Aug 2009
• Arcuate keratotomy for high postoperative keratoplasty astigmatism performed with the intralase femtosecond laser. 30 Jul 2009
• Efficacy of an aspheric treatment algorithm in decreasing induced spherical aberration after laser in situ keratomileusis. 30 Jul 2009
• Comparison of penetrating keratoplasty performed with a femtosecond laser zig-zag incision versus conventional blade trephination. 29 Jul 2009
• Comparison of corneal powers obtained from 4 different devices. 7 Jul 2009
• Empirical fitting of soft or rigid gas-permeable contact lenses for the correction of moderate to severe refractive astigmatism: a comparative study. 29 Jun 2009
• Penetrating keratoplasty with small-diameter and glycerin-cryopreserved grafts for eccentric corneal perforations. 29 Jun 2009
• Recurrence of keratoconic pathology in penetrating keratoplasty buttons originally transplanted for keratoconus. 29 Jun 2009
• Posterior chamber phakic intraocular lenses after penetrating keratoplasty. 29 Jun 2009
• Effect of iris registration on outcomes of LASIK for myopia with the VISX CustomVue platform. 30 May 2009
• Development and treatment of astigmatism-related amblyopia. 30 May 2009
• Corneal power and astigmatism in Down syndrome. 30 May 2009
• Decentred optical axes and aberrations along principal visual field meridians. 4 May 2009
• A review of peripheral refraction techniques. 29 Apr 2009

See a longer list of these articles.

Technical information about 'Astigmatism'

Definition: Unequal curvature of the refractive surfaces of the eye. Thus a point source of light cannot be brought to a point focus on the retina but is spread over a more or less diffuse area. This results from the radius of curvature in one plane being longer or shorter than the radius at right angles to it. (Dorland, 27th ed)

Descriptor UI: D001251

Alternative terms: Astigmatism;

Allowable Qualifiers: blood; cerebrospinal fluid; chemically induced; classification; complications; congenital; diagnosis; diet therapy; drug therapy; economics; embryology; enzymology; ethnology; etiology; genetics; history; immunology; metabolism; microbiology; mortality; nursing; epidemiology; parasitology; pathology; physiopathology; prevention & control; psychology; radiography; radionuclide imaging; radiotherapy; rehabilitation; surgery; therapy; urine; veterinary; ultrasonography; virology;

Tree Number: C11.744.212;

Technical Notes: refractive error