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Eyes: The Body's Own Spectroscopes
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The author presents a discussion of the operation and optical complexities of the human eye.
If you stop and think about it, most people carry two personal spectroscopes with them at all times: their eyes.
Gray's Anatomy defines the eye as an "organ of special sense" (1), but otherwise does not define what the eye is. Simply put, the eyes are the sense organs that are sensitive to visible light. Most animal life is disproportionately dependent on the sense of sight for informati...
Related newspaper, magazine, and journal articles from HighBeam Research
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Eyes: The Body's Own Spectroscopes
Spectroscopy
; The author presents a discussion of the operation and optical complexities of the human eye. If you stop and think about it, most people carry two personal spectroscopes with them at all times: their eyes. Gray's Anatomy defines the eye as an "organ of special sense" (1), but otherwise does not
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Sarcoid masquerading as optic nerve sheath meningioma
Mayo Clinic Proceedings
; Sarcoid manifesting as an optic nerve tumor without evidence of systemic disease is uncommon. Throughout a 2-year period, a 22-year-old white woman had progressive monocular loss of vision to the level of no light perception. Optic atrophy but no uveitis was noted in the affected eye. Magnetic
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Schnabel cavernous degeneration: A vascular change of the aging eye
Archives of Pathology & Laboratory Medicine
; * Context.-Schnabel cavernous degeneration is a histologic finding originally attributed to glaucoma; however, its cause and significance have been controversial. Objective.-To determine the basic cause of the formation of cavernous spaces in the proximal optic nerve and its clinical significance.
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Differential diagnosis key to treatment of pale optic nerve
Ophthalmology Times
; Evaluation Clinicians need to determine if condition is acutely damaging nerve, despite absence of swelling Buffalo, NV-In the absence of optic nerve swelling, the clinician may be faced with a difficult diagnosis in a patient with a pale optic nerve, according to Norah S. LincoffCohen, MD. A
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Pathophysiology of optic neuropathy is meeting topic
Ophthalmology Times
; Editors Note: A minisymposium at the annual meeting of the Association for Research in Vision and Ophthalmology (ARVO) in May examined a variety of important pathophysiologic events that do or may occur in the development of glaucomatous optic neuropathy. The presenters discussed clinically
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A grown-up Charlie Brown.
U.S. News & World Report
; To readers of Adrian Tomine's acclaimed comic series Optic Nerve, his immaculate Berkeley, Calif., apartment might seem oddly familiar. There is the carefully composed minimalism: straight horizontal lines of a '50s-retro couch and strong verticals of Ikea shelving. There are cultural references
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Optic nerve visual prosthesis shows promise in blind person
Ophthalmology Times
; Restoration of visual sensations Device bypasses the damaged retinal cells, artificially stimulates optic nerve Reviewed by Claude G. Veraart, ScD Brussels, Belgium- An optic nerve visual prosthesis developed in Belgium has been implanted in two patients with retinitis pigmentosa, and the results
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Efferent modulation of physiological properties of the Limulus lateral eye.
The Biological Bulletin
; The visual system of the horseshoe crab Limulus polyphemus undergoes marked circadian changes in sensitivity that are controlled by a clock in the animal's brain (1). At night, efferent optic nerve activity to the lateral eyes induces multiple physiological, anatomical and metabolic changes in all
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Three-dimensional map helps with optic nerve examination
Ophthalmology Times
; Quantifying height Instrument determines optic rim, cup outline for comparison to normative database Reviewed by Jeffrey D. Henderer, MD Chicago-The Heidelberg Retina Tomograph II (HRT II, Heidelberg Engineering GmbH), the most widely available generation of this technology, creates a
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Note differences between optic nerve diseases
Ophthalmology Times
; Follow patients carefully Los Angeles-Chronic progressive optic neuritis or optic nerve sheath meningioma? Until fairly recently, differentiating these two clinical entities would not have affected the clinical outcome because of the lack of an established safe, efficacious treatment for either
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