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256 Possible Causes for Astigmatic Refractive Errors, Visual Acuity Decreased

  • Astigmatism

    The patient's complaints were decreased visual acuity and a localized blur in her visual field.[] We examine the components of astigmatism and the research into the prevalence and natural course of astigmatic refractive errors throughout life.[] Because of decreased visual acuity and the suspicion of early amblyopia, a pars plana vitrectomy with removal of the anterior hyaloid and the critical anterior vitreous fibers[]

  • Disorder of Refraction and Accommodation

    Measurement of visual acuity: Reading, with one eye or both, of letters of decreasing size appearing on an illuminated panel.[] When one has a cylindrical error, one has astigmatism. The common refractive disorders are described below.[] Individuals with albinism including ocular albinism commonly have decreased visual acuity (20/70 -20/200), strabismus, photophobia, and nystagmus.[]

  • Posterior Subcapsular Cataract

    error shift for each subject group Figure 1 Spherical refractive error shift and cataract induced astigmatism for each lens morphology.[] Eighty-seven percent of patients had reduced visual acuity; 76%, glare; and 46%, decreased contrast sensitivity.[] You are here Home › Education › Digital Reference of Ophthalmology › Lens & Cataract › Cataract › Clinical features: Symptoms: glare and decreased visual acuity especially[]

  • Cataract

    If an implant lens is not used, or there is remaining refractive error (e.g., astigmatism that is uncorrected by the implant lens), the patient may need to wear either a contact[] This results in a decrease in visual acuity and eventual blindness if untreated.[] Surgery Astigmatic Keratotomy Laser Thermal Keratoplasty Photorefractive Keratectomy Low Vision Radial Keratotomy Refractive Surgery Risks of Refractive Surgery Lasik Presbyopia[]

  • Keratoglobus

    […] followed by resolution and decreased visual acuity Clinical diagnosis A clinical diagnosis is made using slit lamp biomicroscopy.[] A significant decrease was also seen in mean refractive astigmatism which decreased from 5.93 (3.06) D preoperatively to 3.23 (1.14) D (p   0.037).[] Miscellaneous conditions Astigmatism In this condition, the corneal shape is slightly rugby ball-shaped rather than truly spherical, causing a refractive error.[]

  • Toxic Amblyopia

    The disorder involves lost vision, including scotomas (blind spots) and decreased visual acuity within the central portion of the visual field.[] Amblyopia Anisometropia Large difference in Refractive Error between eyes Causes Bilateral Hyperopia (most common) Severe unilateral Hyperopia or Myopia Astigmatism Isometric[] This 42-year-old woman presented with decreased visual acuity OS.[]

  • Corneal Disease

    Affected individuals may experience mild irritation and a slight decrease in clarity of vision (visual acuity).[] Two-thirds of Americans with myopia also have astigmatism. Refractive errors are usually corrected by eyeglasses or contact lenses .[] errors (myopia, hyperopia, and astigmatism) For more information on any of the above conditions and disorders, please visit, the official eye health information[]

  • Electric Cataract

    To get your new sign-on credentials, please call us at 540.772.7171 LASIK at Eye Care Surgery Refractive Surgeries: If you have a refractive error, such as nearsightedness[] Noticeable alterations in the colors of things, disability glare and decreased visual acuity both at distance and at near are common.[] (myopia), farsightedness (hyperopia), astigmatism or presbyopia, refractive surgery is a method for correcting or improving your vision.[]

  • Heat Ray Cataract

    There may be permanent decrease in visual acuity. The intensity of light, lenght of exposure, and age are all important factors.[] Fast facts on astigmatism Here are some key points about astigmatism. More information is in the main article. Astigmatism is a type of refractive error.[] Other ways of classifying astigmatism Astigmatism can also be categorized according to other refractive errors that are present.[]

  • Lamellar Cataract

    error : Hyperopia / Myopia - Astigmatism - Anisometropia / Aniseikonia - Presbyopia Visual disturbances and blindness Amblyopia - Leber's congenital amaurosis - Subjective[] Noticeable alterations in the colors of things, disability glare and decreased visual acuity both at distance and at near are common.[] ORBITAL CELLULITIS Pt Symptoms pain in the eye ocular pain on attempted movement ocular tenderness red, injected eye decreased visual acuity or blindness double vision malaise[]

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