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Topic: Macula


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 Macular Hole
As with all surgical procedures, there are potential complications or side-effects associated with the repair of the macula hole.
Some patients, because of medical conditions or physical limitations, may be unable to comply with the positioning and would not likely be good candidates for this procedure.
When surgery is performed to close a macular hole, no laser treatment is applied to the hole itself, as laser can be damaging to the delicate central tissue of the macula.
http://www.vrmny.com/MH.htm   (2275 words)

  
 RVC: What is the Macula?
It is at the center of the visual field-when looking directly at an object, you are seeing it with the macula, while the rest of the retina is involved with peripheral vision.
Fortunately, many diseases which effect the tiny macula may spare the rest of the retina, thereby preserving peripheral vision.
Diseases of the macula may interfere with "detail vision", making these activities more difficult.
http://www.webretina.com/macula.html   (190 words)

  
 Ions and signal transduction in the macula densa -- Thomson and Blantz 106 (5): 633 -- Journal of Clinical Investigation
An increase in macula densa chloride induces a TGF response
negative feedback (3), this effect of macula densa chloride
Schnermann, J., and Briggs, J. Restoration of tubuloglomerular feedback in volume-expanded rats by angiotensin II.
http://www.jci.org/cgi/content/full/106/5/633   (1909 words)

  
 IXMUS MACULA COLOR VISION FIELD - COLOR AMSLER GRID TEST
The blue-on-yellow macula grid and red-dots perimetry card combination tool is unique with its calibrated engineering based on clinical data, combining the principles of color desaturation, contrast sensitivity and visual field testing with the meaning of each tied to the others mathematically in terms of decibel scotomas, percentage contrast and dyschromatopsia for the first time.
It enables you to find out if there are disturbances in your vision caused by changes in the retina, macula, optic nerve and visual pathway to the brain.
Now there is a self-administered eye test for enhanced detection of macular disease and macular field defects at home or in the office, utilizing color vision, contrast sensitivity and visual field (perimetry) test principles for improved sensitivity.
http://www.ixm.us   (1726 words)

  
 Treatment of retinal folds using a modified macula relocation technique with perfluoro-hexyloctane tamponade -- Herbert ...
Treatment of retinal folds using a modified macula relocation technique with perfluoro-hexyloctane tamponade -- Herbert et al.
Treatment of retinal folds using a modified macula relocation technique with perfluoro-hexyloctane tamponade
Figure 1 Fundus photograph showing macula fold before surgical correction (A), and 7 weeks after correction (B).
http://bjo.bmjjournals.com/cgi/content/full/87/7/921   (741 words)

  
 The Macula
Certain conditions can affect the macula and, in turn, one’s central vision.
This can progress to the point of “doughnut” vision, where people’s faces are unrecognizable when looking directly at them, yet peripheral vision remains unaffected.
When one looks directly at something, the light from that object forms an image on one’s macula.
http://www.tedmontgomery.com/the_eye/macula.html   (2109 words)

  
 diabetic maculopathy
They are the main guide for the use of triamcinolone...if the oedema reduces the drug has worked and is a very useful guide.
The fovea: this is the view of your eye a doctor sees looking, just like a map.
Treatment plans will change when OCTs are available, because these seem to show that even in 'focal oedema' (such as circinate formation) the other macular areas are thickened.
http://medweb.bham.ac.uk/easdec/diabetic_maculopathy.html   (2535 words)

  
 Second Page of FAQ's about Macula Degeneration
Some doctors say that if you have any drusen, you have "early macula degeneration".
My doctor says I have "early macula degeneration".
We will talk about the kinds of vision problems that drusen can cause later on.
http://www.eyecons.com/ARMD/armdfaq2.html   (489 words)

  
 Macula - Wikipedia, the free encyclopedia
Whereas loss of peripheral vision may go unnoticed for some time, damage to the macula will result in loss of central vision, which is usually immediately obvious.
Eye - Optic nerve - Optic chiasm - Optic tract - Lateral geniculate nucleus - Optic radiations - Visual cortex
The progressive destruction of the macula is a severe disease known as macular degeneration.
http://en.wikipedia.org/wiki/Macula   (196 words)

  
 MACULA EDEMA AND VISUAL ACUITY IN BRANCH VEIN OCCLVSION: MEASURMENTS WTIH IIK HEIDELBERG RETINA TOMOGRAPHEN (HRT)
Therefore, it is sound to have the reduaion of tbe macula edema as a primary goal in the beatment of patients wiØ a brancb vein occlusion and bad visual acuity.
(2) Our clinical impression that the correlation between visual acuity and macula edema is not strict was confirmed by our data.
A hemorrhage or a scar in the macula may reduce Ue visual acuity althougb both do not affect tbe height of the macula edema (3) The HRT is a useful tool to measure the beigbt of a macula edema.
http://www.dog.org/engl/abstract97/V210.html   (349 words)

  
 Macula densa cell signaling involves ATP release through a maxi anion channel -- Bell et al. 100 (7): 4322 -- ...
exist in macula densa cells and whether the pathway might be sensitive
In conclusion, this study represents a significant step forward in our understanding of the nature of the TGF signaling pathway
Step pulses were applied from a pipette potential
http://www.pnas.org/cgi/content/full/100/7/4322   (4238 words)

  
 Diseases of the Macula
The macula is the central part of the eye's retina and is responsible for central vision.
Diseases of the macula affect this particular area.
Macular degeneration is the leading cause of vision loss in persons over age 55, although younger persons can also be afflicted.
http://www.sapphirepress.com/UNCAT/uncat70.html   (86 words)

  
 Vitreoretinal Consultants-Houston, TX. Diseases and surgery of the retina, vitreous and macula.
Diseases and surgery of the retina, vitreous and macula.
Limiting our practice to these important parts of the eye enables us to focus on the latest advances in the management of complex sight-threatening eye diseases such as:
Vitreoretinal Consultants is a team of board-certified ophthalmologists who specialize in the diagnosis and treatment of diseases of the retina, vitreous, and macula.
http://www.houstonretina.com   (95 words)

  
 The Macula
If treatment is not needed, there are other things that can be done to improve your vision, especially at near, namely low vision aids.
This is our central vision and color vision.
A hole in the macula can develop from such trauma.
http://www.westcoasteyecare.com/macula.html   (980 words)

  
 Free Vision Screening Test, Amsler Grid:Macula Surgery MD
The macula is the portion of the retina responsible for fine vision, including reading vision.
Place grid in a convenient place approximately 18 inches away--normal reading distance.
Detection of macula disease in its early stages may prevent serious loss of vision.
http://www.maculasurgery.com/Amsler.htm   (317 words)

  
 Tubuloglomerular Feedback and the Control of Glomerular Filtration Rate -- Vallon 18 (4): 169 -- Physiology
Another approach to study TGF is to perfuse the macula densa
results suggest further that macula densa-derived NO tonically
at the macula densa for a normal TGF response to occur.
http://physiologyonline.physiology.org/cgi/content/full/18/4/169   (3901 words)

  
 Normal Macula
Macula — the portion of the retina that processes sharp, clear, "straight-ahead" vision.
Sharp, clear, ‘straight-ahead’ vision is processed by the macula, which is the central part of the retina.
The pit or depression within the macula, called the fovea, provides the greatest visual acuity.
http://www.ahaf.org/macular/about/NormalMacula.htm   (299 words)

  
 Macula
It is responsible for straight ahead vision, best (reading) vision, and the majority of color vision.
The center of the macula is called the fovea.
http://www.charles-retina.com/macula-def.htm   (25 words)

  
 Macula definition - Medical Dictionary definitions of popular medical terms
As we read, light is focused onto our macula where millions of cells change the light into nerve signals that tell the brain what we are seeing.
Macula definition - Medical Dictionary definitions of popular medical terms
A macula on the skin is a small flat spot while the macula in the eye is a small spot where vision is keenest in the retina.
http://www.medterms.com/script/main/art.asp?articlekey=4241   (249 words)

  
 MACULA
When we thread a needle or read we use our macula.
macula our fine central vision becomes blurred and reading is especially
The macula is a small specialized area of the retina
http://www.wellesleyeye.com/Patient_Info/macular_degeneration.htm   (321 words)

  
 Macula
The loss of choroidal vascular structure is easily observed ophthalmoscopically, (Figure 5) but is dramatically emphasized with fluorescein angiography.
As the disease progresses, however, the dystrophic process involves not only the cones, but the rods as well; symptoms may or may not extend to include rod-based functions.
At first presentation during infancy or early childhood, the maculae of affected patients are described as having the familiar "egg-yolk" appearance.
http://www.nova.edu/~kimreed/macula.html   (4096 words)

  
 Frequent Questions about Macula Degeneration
Our sharpest vision is determined by the macula.
There are many types of macula degeneration, but the most common is called Age-related Macula Degeneration (ARMD)
There is no evidence that it is caused by an infection, or by toxic substances in the environment.
http://www.eyecons.com/ARMD/armdfaq1.html   (339 words)

  
 The Macula Society
Gholam A. Peyman, MD Robert N. Frank, MD Richard and Hinda Rosenthal Foundation Award - for "that individual or group of individuals under the age of 45 years whose work gives high promise of notable advance in the clinical treatment of disorders of the eye."
Mark O.M. Tso, MD Daniel Albert, MD Donald M. Gass, MD Hans Edwin Grossniklaus, MD The Macula Society's success is a tribute to the Founders, Officers, Chairpersons and Committee members who have given freely of their time and efforts to further the mission of the Society.
The Macula Society was founded in 1977 when Dr. Lawrence J. Singerman recognized the need for a forum to present and critique the rapidly expanding new research in retinal vascular and macular disease.
http://www.maculasociety.org   (871 words)

  
 Example: Macula Densa
This specific and structurally distinct region is always associated with the afferent arteriole of its own nephron.
It's thought to be a sensory structure involved in the release of renin from another portion of the juxtaglomerular apparatus, and thus indirectly involved in controlling of the flow through its nephron and others.
The glomerulus you see immediately to the right of the macula densa is the same one whose filtrate will eventually pass through that DT.
http://education.vetmed.vt.edu/Curriculum/VM8054/Labs/Lab23/EXAMPLES/EXMACDNS.HTM   (190 words)

  
 Blurry Vision Services: Macula
Sure, you can do it yourself, but since when have you wanted to be an email administrator?
Blurry Vision's Macula Tracking System™ is the ultime in keeping an "eye" on your customers.
Macula can do it all for you, automatically!
http://www.blurryvision.com/services/macula.html   (745 words)

  
 About The Macula Foundation
For example, edema of the macula accounts for more than 90% of the severe vision loss in patients with diabetic retinopathy, and of course, age-related macular degeneration is the most significant disorder related to severe loss in patients over the age of fifty years.
The Macula Foundation, Inc., a not-for-profit 501(c)(3) organization was established in 1978 to support basic and clinical research in vitreous, retinal and macular diseases, a major cause of blindness of all age groups.
Since it was formed, the Foundation has distributed grants and awards of approximately 15 million dollars earmarked for important clinical and scientific research and related teaching programs.
http://www.macula.org/foundation/foundation.html   (231 words)

  
 Macula Vision Research Foundation: Home
The Macula Vision Research Foundation’s mission is to find the cause, prevention, treatment and cure for macula vision diseases with the goal of saving sight and to provide support and public education about the disease and support to those suffering from macular degeneration.
The Macula Vision Research Foundation’s web site is a site for people with macular degeneration, and people who care about people with macular degeneration.
The 15 million people suffering from macular degeneration and the people who care about them know that dreams can vanish as the disease progresses — lives are not the same.
http://www.mvrf.org   (275 words)

  
 macula
Degeneration of the macula is the most common cause of vision loss in people over age 65.
Swelling of the macula is a common problem in pateints with long term diabetic eye disease and can also occur following eye surgery.
The macula is the central region of the retina where our best vision is located.
http://www.eyecarespecialists.com/eyemacula.htm   (66 words)

  
 ANNALS May2003: THREE-DIMENSIONAL ANALYSIS OF MORPHOLOGICAL ASPECTS OF THE HUMAN UTRICULAR MACULA
Authors: HIDEAKI NAGANUMA, MD, KOJI TOKUMASU, MD, MAKITO OKAMOTO, MD, SHINICHIRO HASHIMOTO, MD, SHOHEI YAMASHINA, MD The 3-dimensional shape of the human utricular macula and its orientation in the skull are quantitated in this report, which is one of a series.
This study provides standard data regarding the 3-dimensional morphological aspects of the utricular macula for further investigation of the function of the utriculus.
The semicircular canals and utricular macula were reconstructed in 3 dimensions on a computer from 3 human temporal bones.
http://www.annals.com/abs/annals1203.htm   (193 words)

  
 MACULA SURGERY MD: Charles L. Tucker, MD joins Retina Specialists of Al, LLC
Macula Surgery MD accepts no external funding, goods or services.
Either in their hands, or through others, you may
Macular pucker, macular hole and cellophane maculopathy share a common cause and a common treatment.
http://www.maculasurgery.com   (141 words)

  
 Urinary_System
The macula densa (black) monitors the distal tubular fluid chloride concentration so that the juxtaglomerular appartatus can control the filtration rate (via tubuloglomerular feedback).
http://www.kumc.edu/instruction/medicine/anatomy/histoweb/urinary/renal09.htm   (24 words)

  
 Dry Eyes - Macular Degeneration - Glaucoma - Diabetic Retinopathy - Nutrients
Biosyntrx formulations are designed to address the micronutrient needs of the dry eye, cataract, macula degeneration, glaucoma and diabetic retinopathy patient.
Nutrients, which have been proven to be good for the eyes, have also been proven good for the entire body.
Biosyntrx, in concert with ophthalmologists, optometrists, PhD biochemists, molecular biologists, and nutrition educators, develops evidence-based nutraceutical formulations that support optimal health - specifically the exquisitely engineered functions of the eyes, which reveal some of the earliest signs of degeneration affecting the entire body.
http://www.biosyntrx.com   (365 words)

  
 Essilor Boekje macula degeneratie
Verder zal de afkorting MD gebruikt worden MD is eigenlijk een verzameling oogaandoeningen die elk een verschillende ontstaanswijze hebben; zij hebben alle de overeenkomst dat zij schade aanrichten op dezelfde plek in het oog: de zogenaamde gele vlek, ofwel macula lutea, kortweg macula.
Door MD wordt de macula en dus het scherp zien aangetast.
Deze aandoeningen hebben echter niets met MD te maken, hoewel er overeenkomstige klachten kunnen optreden.
http://www.depool.nl/Optiek/Info/essilormacula.htm   (982 words)

  
 Characterization of basolateral chloride/bicarbonate exchange in macula densa cells -- Komlosi et al. 288 (2): F380 -- ...
that macula densa cells functionally and immunologically express
and might be involved in macula densa signaling.
Inhibition of macula densa anion exchange activity by basolateral
http://ajprenal.physiology.org/cgi/content/abstract/288/2/F380   (284 words)

  
 Dégénérescence macula : sites et documents francophones
mots clés : *dégénérescence macula ; dégénérescence macula / diagnostic ; enfant
mots clés : adolescent ; *dégénérescence macula ; dégénérescence macula / génétique
http://www.chu-rouen.fr/ssf/pathol/degenerescencemacula.html   (1797 words)

  
 Vitreous Retina Macula Consultants of New York
Information about Macular Degeneration from the Macula Foundation (www.macula.org)
http://www.vrmny.com   (488 words)

  
 CATHOLIC ENCYCLOPEDIA: Sin
This state is called habitual sin, macula peccati.
This state of aversion carries with it necessarily in the present order of God's providence the privation of grace and charity by means of which man is ordered to his supernatural end.
There is not a real but only a conceptual distinction between habitual sin (reatus culpæ) and the stain of sin (macula peccati).
http://www.newadvent.org/cathen/14004b.htm   (8275 words)

  
 Holistic Health Encyclopedia - E
Macular degeneration is the deterioration of the sensitive part of the retina called the "macula", where light-receptive nerve cells are located — often resulting in some loss of vision, and rarely leading to blindness.
Aging and nutritional deficiencies are the leading causes of these diseases, resulting in free radical damage and collagen metabolism errors within the eye.
Glaucoma is caused by the exertion of fluid pressure inside the eye, which can damage the retina and optical nerve — sometimes resulting in blindness.
http://www.findhealer.com/glossary/E.php3   (7235 words)

  
 Exhibit Cross Reference - Macula
The alternation in color is necessary so that the image does not disappear with fatigue.
MACULA contains a screen which is alternately illuminated by a white and purple light.
This shadow appears no matter where you look on the screen because it is really in your eye.
http://www.exploratorium.edu/xref/exhibits/macula.html   (84 words)

  
 Macula - Eye anatomy
The macula allows us to appreciate detail and perform tasks that require central vision such reading.
he macula is located roughly in the center of the retina, temporal to the optic nerve.
The fovea is the very center of the macula.
http://www.stlukeseye.com/anatomy/Macula.asp   (69 words)

  
 Macula, Inc.
For nearly 10 years, Macula has helped companies with their industrial flooring needs by providing the right solution the first time.
Let Macula install your industrial flooring system that will give your business the base it needs to grow.
When you need a professional Industrial Flooring System, you need Macula.
http://www.maculainc.com   (97 words)

  
 Inhibition of nNOS expression in the macula densa by COX-2-derived prostaglandin E2 -- Paliege et al. 287 (1): F152 -- ...
Articles by Paliege, A. Articles by Yang, T. Inhibition of nNOS expression in the macula densa by COX-2-derived prostaglandin E
Inhibition of nNOS expression in the macula densa by COX-2-derived prostaglandin E2 -- Paliege et al.
in macula densa cells and that the expression of both enzymes
http://ajprenal.physiology.org/cgi/content/abstract/287/1/F152   (362 words)

  
 Age Related Macular Degeneration pathology & treatment
Lack of vitamins has been linked to macular degeneration scientifically.
Some research suggests that the pigments in vegetables, lutein, and two types of zeaxanthin might be helpful, as these are the pigments found in the healthy macula.
It is very difficult to predict whose dry ARMD will progress, but the risk factors include those mentioned above (soft drusen, high blood pressure, smoking, poor diet).
http://www.goodhope.org.uk/Departments/eyedept/armd%20pathol.htm   (3329 words)

  
 Inhibition of the Renin-Angiotensin System Upregulates Cyclooxygenase-2 Expression in the Macula Densa -- Wolf et al. ...
Inhibition of the Renin-Angiotensin System Upregulates Cyclooxygenase-2 Expression in the Macula Densa -- Wolf et al.
http://hyper.ahajournals.org/cgi/reprint/34/3/503   (16 words)

  
 Macula on Europa
The surface of Europa is composed mostly of water ice, so large impact craters on Europa could look different from large bowl-shaped depressions formed by impact into rock, such as on the Moon.
The large circular feature centered in the upper middle of the image is called a macula, and could be the scar of a large meteorite impact.
http://www.solarviews.com/cap/jup/eurgal10.htm   (170 words)

  
 Photonics Dictionary: Definition for word(s) macula lutea - The Photonics Directory
The central 0.5 mm of the macula contains all cones; this is the fovea, which provides our most critical high-resolution vision.
The macula is about 2.5 mm in diameter (8° of the visual field), with a 5:2 ratio of cones to rods.
Click a letter to view a listing of terms
http://www.photonics.com/dictionary/lookup/XQ/ASP/url.lookup/entrynum.3101/letter.m/pu./QX/lookup.htm   (88 words)

  
 January01retinalinsider
The role of nutrition in eye health, especially as it relates to age-related macular degeneration, continues to draw interest.
It is thought that the macular pigment may protect against light-induced damage to the retina by filtering out harmful wavelengths of light or by way of intrinsic antioxidant properties.
The pigment in the central macula, which imparts the characteristic yellow color to this region, is composed of the carotenoids lutein and zeaxanthin, both of which are obtained primarily from dark green, leafy vegetables.
http://www.revophth.com/2001/january/january01retinalinsider.htm   (2188 words)

  
 macula
Discuss the causes and management of haemorrhage in the macula area
Describe he differential diagnosis of disciform degeneration of the macula
http://www.mrcophth.com/macula.htm   (49 words)

  
 Dallas Web Design & Development:  Macula, Inc.
Macula's goal was to expand their market presence online with a new web design and features to gain new prospect through the Internet.
http://www.360mediacorp.com/solutions/interactive/mac_website.htm   (61 words)

  
 Macula
This foveal area is covered with a yellow pigment called the macula lutea.
http://www.yorku.ca/eye/macula.htm   (28 words)

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