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Aphakia is the absence of the lens of the eye, due to surgical removal, such as in cataract surgery, a perforating wound or ulcer, or congenital anomaly. It causes a loss of ability to maintain focus ( accommodation ), high degree of farsightedness ( hyperopia ), [ 1 ] and a deep anterior chamber .
An installed PIOL, with flash photography An installed PIOL, without flash photography. LASIK can correct myopia up to -12 to -14 D. The higher the intended correction the thinner and flatter the cornea will be post-operatively. For LASIK surgery, one has to preserve a safe residual stromal bed of at least 250 μm, preferably 300 μm. Beyond ...
A computer screen showing a background wallpaper photo of the Palace of Versailles. A wallpaper or background (also known as a desktop background, desktop picture or desktop image on computers) is a digital image (photo, drawing etc.) used as a decorative background of a graphical user interface on the screen of a computer, smartphone or other electronic device.
PIOL is a subset of primary central nervous system lymphoma (PCNSL). PCNSL (and PIOL) are most commonly a diffuse large B-cell immunohistologic subtype of non-Hodgkin's lymphoma according to the World Health Organization (WHO) classification of lymphomas. The most common symptoms of PIOL include blurred or decreased vision due to tumor cells in ...
Aniseikonia is an ocular condition where there is a significant difference in the perceived size of images. It can occur as an overall difference between the two eyes, or as a difference in a particular meridian. [1]
On the American late-night live television sketch comedy and variety show Saturday Night Live (SNL), a commercial advertisement parody is commonly shown after the host's opening monologue. Many of the parodies were produced by James Signorelli.
Pieter Lastman: Odysseus and Nausicaa (oil on panel, 1619; Alte Pinakothek, Munich). Scheria or Scherie (/ ˈ s k ɪər i ə /; Ancient Greek: Σχερία or Σχερίη), also known as Phaeacia (/ f iː ˈ eɪ ʃ ə /) or Faiakia, was a region in Greek mythology, first mentioned in Homer's Odyssey as the home of the Phaeacians and the last destination of Odysseus in his 10-year journey ...
Epikeratophakia [1] (also known as epikeratoplasty and onlay lamellar keratoplasty [2]) is a refractive surgical procedure in which a lamella of a donor cornea is transplanted onto the anterior surface of the patient's cornea.