نتایج جستجو برای: iol exposure
تعداد نتایج: 309395 فیلتر نتایج به سال:
BACKGROUND Intraocular lymphoma (IOL) is a rare malignant lymphoma that most closely resembles a diffuse large B-cell lymphoma, and it is a subtype of primary central nervous system lymphoma (PCNSL). IOL is located inside the eye in the retina, uvea, and/or optic nerve. We retrospectively analyzed IOL patient data to identify treatment patterns and survival rates in Korea. METHODS Cytological...
PURPOSE To evaluate blue-light attenuation in eyes with a tinted intraocular lens (IOL) or an untinted IOL. SETTING Department of Ophthalmology, University Hospital of Crete, Crete, Greece. DESIGN Comparative case series. METHODS Patients had lens extraction and implantation of an Acrysof Natural tinted or Tecnis ZA9003 or Softec III untinted acrylic IOL. The luminance ratio of green (530...
Background: The natural crystalline lens of the eye is considered as one of the most radiosensitive tissues of the human body and long-time research demonstrates an association between ionizing radiation exposure and cataract development. Intraocular lens (IOL) implants are synthetic lenses used to replace the cataractous human lens of the eye and obtain optical rehabilitation in cataract surge...
BACKGROUND With recent advances in technology and introduction of new intraocular lens (IOL) models, surgeons today have the opportunity to choose from various optical designs, which can influence the postoperative quality of vision. In our laboratory study, we compared the optical quality of three different IOLs that use the identical platform and are produced by the same manufacturer. The stu...
Background: The present study aimed to evaluate and compare the efficacy of toric intraocular lens (IOL) implantation aspheric IOL with steep-axis incision for correcting mild moderate corneal astigmatism in cataract patients.
PURPOSE To compare the contrast sensitivity of an intraocular lens (IOL) with a modified prolate anterior surface (Tecnis Z9000, Pfizer), with 2 standard spherical IOLs (Sensar AR40e Opti-Edge IOL, AMO and AcrySof Natural SN60AT IOL, Alcon). METHODS In this prospective study, 98 eyes of 71 patients received 1 of 3 IOLs at random. After 6 months, best corrected visual acuity, pupil size and co...
AIM To prospectively investigate changes in the area of the anterior capsule opening, and intraocular lens (IOL) decentration and tilt after implantation of a hydrogel IOL. METHODS 100 patients underwent implantation of a hydrogel IOL in one eye and an acrylic IOL implantation in the opposite eye. The area of the anterior capsule opening, and the degree of IOL decentration and tilt were measu...
Background: Opacification of ophthalmic devices has been previously reported in silicone scleral buckle, Molteno implant, and intraocular lens opacification. However, there is no report on polymethyl methacrylate (PMMA) intraocular lens (IOL) calcification. Objective: Report the clinical feature, histopathologic and spectrophotometer analysis of opacified three-piece PMMA IOL. Method: A 60-year...
We experienced a case of intraocular lens (IOL) luxation with the capsular bag after vitrectomy. The case was a 66-year-old female in whom an IOL was implanted one year after surgery for giant tear retinal detachment using silicone oil. Four years after the implantation surgery, the patient suffered subluxation of the IOL with the capsular bag. Examinations of the luxated IOL with the capsular ...
PURPOSE To evaluate refractive results with a low-cylinder-power toric intraocular lens (IOL) and the effect of preoperative corneal astigmatism orientation on results. SETTING Private practice, Jackson, Michigan, USA. DESIGN Comparative case series. METHODS This retrospective review of clinical records comprised patients with 0.75 to 1.38 diopters (D) of preoperative corneal astigmatism ...
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