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60 Possible Causes for Steep Corneas

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  • Microphthalmos

    Conclusion : Microphthalmos may be associated with high hypermetropia, thick papillomacular fold, and steep cornea with a relative good vision.[] In spite of the increased corneal thickness and steep corneas, lens thickness and endothelial cell counts were normal.[] Bilateral Microphthalmos Associated with Papillomacular Fold, Severe Hyperopia and Steep Cornea Mojtaba Abrishami Dr. * , Alireza Maleki Dr. , Ali Hamidian-Shoormasti Dr.[]

  • Keratoconus

    To the best of our knowledge, this study represents the largest number of such steep corneas analyzed with respect to long-term progression after CXL.[] cornea (approximately 2 D less steep) (mean difference (MD) -1.92, 95% CI -2.54 to -1.30, 94 eyes, 1 RCT, very low-quality evidence) and better uncorrected visual acuity[] Intacs are FDA approved and can help flatten the steep cornea found in keratoconus.[]

  • Polymorphous Corneal Dystrophy

    The majority of eyes examined by corneal topography (10 out of 16) had an abnormally steep cornea (flat keratometry 46.5-52.7 diopters, steep keratometry 48.1-54.0 diopters[] The literature has suggested an association between PPCD and steep cornea.[] Corneas of both probands were abnormally steep (keratometry readings, flat 47.4 diopters [D] and steep 49.2 D) with increased pachymetry values but no pattern indicative of[]

  • Hyperopia

    Her refractive error was 12.0 and 12.5 diopters in the right and left eye, respectively, with steep corneas on keratometry and a shallow anterior chamber depth.[] Either as a result of having an elongated eyeball or a steep cornea, rays of light focus in front of the retina causing objects at distance to appear blurry.[] Corneal steepness will increase after hyperopic LASIK, so the surgeon must not make the cornea steeper than about 48.00 to 50.00 D.[]

  • Pellucid Marginal Degeneration

    The problem we face as eye care practitioners is fitting the steep areas if the cornea without adversely affecting the flatter areas.[] The problem we face as eyecare practitioners is fitting the steep areas of the cornea without adversely affecting the flatter areas.[] Because so much of the cornea can be affected, fitting this type of cornea can be challenging.[]

  • Eye Surgery Complication

    However, eyes with very thin or steep corneas or high degrees of refractive errors may not be eligible for enhancements.[] Anatomical causes: Very steep corneas Irregular astigmatism 7.[] Thin/ Perforated cut (buttonhole) Mechanical Causes: Inadequate suction Incorrect ring size Poor blade quality Excessively dry cornea Loose epithelium Edematous epithelium[]

  • Keratoconus Type 5

    Thin or steep corneas are not suitable for LASIK, but may be suitable in some cases for another laser eye surgery procedure called PRK.[] Specialty contact lenses have been developed to better fit the irregular and steep corneas found in keratoconus; these include ( but not limited to) RoseK, cutom designed[] , but improvement in BCVA is often limited. 3 CXL can only flatten a steep area of the cornea; it cannot steepen a flat area.[]

  • Corneal Neovascularization

    Steep cornea, in which BCR was CONCLUSIONS: High myopia, high astigmatism, and steep cornea seemed to be risk factors in the development of corneal NV in SCL wearers.[]

  • Corneal Ectasia

    Occasionally, hydrops can benefit keratoconus patients who have extremely steep corneas.[] The front corneal flat and steep values were decreased by 6.20 and 5.90 diopters (D), respectively, relative to corresponding preoperative values.[] They are generally inserted on the inferior cornea to flatten the steep areas of inferiorly located cones.[]

  • Aphakia

    Because children tend to have steep corneas, they may also not easily fit. Medical complications such as bacterial keratitis can also occur.[] A disadvantage to the single cut lens is the difficulty encountered in removing this small steep lens from the cornea, especially for the elderly.[] The single cut rigid aphakic contact lens is sometimes prescribed when one or more of the following conditions are met: small palpebral apertures, relatively steep corneas[]

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