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  • Book
    [edited by] Amar Agarwal, Soosan Jacob.
    Contents:
    Ocular trauma / Daniele Veritti ... [et al.]
    Eyelids and lacrimal system / Christopher I. Zoumalan ... [et al.]
    Orbital infections, inflammation, and neoplasms / Praveen Saluja ... [et al.]
    External diseases / Guillermo Simón-Castellví ... [et al.]
    Cornea / W. Barry Lee and Ivan R. Schwab
    Intraocular inflammation / Soosan Jacob ... [et al.]
    Lens and cataract / Athiya Agarwal, Soosan Jacob, and Amar Agarwal
    Glaucoma / Soosan Jacob and Amar Agarwal
    Medical retina / Mandeep Lamba, Soosan Jacob, and Amar Agarwal
    Surgical retina / Clement K. Chan and Dariusz G. Tarasewicz
    Ocular neoplasms / Soosan Jacob, Santosh Hanovar, and Amar Agarwal
    Strabismus / Federico G. Velez, Noa Ela-Dalman, and Arthur L. Rosenbaum
    Neuro-ophthalmology / Soosan Jacob and Amar Agarwal
    Ophthalmic pharmacology / James M. Hill ... [et al.]
    Ocular manifestations of systemic disease / Soosan Jacob and Amar Agarwal
    Contact lenses / Kenneth M. Daniels
    Ophthalmic instruments and diagnostic tests / Samuel Boyd and Amar Agarwal
    Ophthalmic office procedures / Samuel Boyd
    Refractive surgery / David R. Hardten ... [et al.].
    Digital Access
    Provider
    Version
    Thieme MedOne Education
    2010
    Thieme MedOne Ophthalmology
    2010
  • Article
    Irwig LM, du Toit RS, Sluis-Cremer GK, Solomon A, Thomas RG, Hamel PP, Webster I, Hastie T.
    Ann N Y Acad Sci. 1979;330:35-52.
    X-rays of all while and mixed-race men employed in crocidolite and amosite mines and mills were read independently by three experienced readers according to the ILO U/C classification. Abnormality was regarded as present if reported by two or more readers. Parenchymal abnormality, defined as the presence of small irregular opacities of profusion 1/0 or greater, was found in 7.3% of the workers. Pleural thickening was found in 4.5% of the workers, costophrenic angle obliteration in 3.2%, and pleural calcification in 1.7%. The prevalences of both pleural and parenchymal abnormality were strongly related to the duration of exposure to asbestos at work. The overall prevalence of abnormality increase from 4.0% in men with exposure for 1 year or less to 47.9% in men with more than 15 years of exposure. After taking into account the effects of age and duration of asbestos exposure, the prevalence of pleural abnormality was not predicted by fiber concentration. However, white men working with amosite tended to develop a higher prevalence of pleural abnormality than did those working with crocidolite. Compared to whites, men of mixed race, who only work with crocidolite, had a high prevalence of pleural abnormality in each exposure duration category. In contrast to pleural abnormality, the prevalence of parenchymal abnormality, after taking into account the effects of age and duration of exposure, was significantly predicted by fiber concentration but not by race or asbestos type. Our results suggest that parenchymal abnormality in workers in South African asbestos mines could be largely prevented by reducing exposure to fibers visible under the light microscope. However, this may not be the case for pleural abnormality.
    Digital Access Access Options