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1. Relating to vision.
See also: internal representation.
2. Denoting a person who learns and remembers more readily through sight than through hearing.
See also: internal representation.
[Late L. visualis, fr. visus, vision]
Farlex Partner Medical Dictionary © Farlex 2012


1. Relating to vision.
2. Denoting a person who learns and remembers more readily through sight than through hearing.
[Late L. visualis, fr. visus, vision]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


Relating to vision.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann

Patient discussion about visual

Q. Can visual aura alone be migraine? I'm 21 years old girl, and for the last six years, about once a week, when I wake up from night sleep all I see in my left eye is a very bright light. After some time my vision returns. In the last few weeks it became more frequent and also starts to happen in the other eye. I consulted my doctor and she told me it's not an important thing, and that it's probably a specific type of migraine. However, I don't have any pain at all. Does anyone else have this? Is it possible for migraine to occur only with aura, without any pain?

A. Hi,

I'm sorry to hear about your problem. Whatever your doctor told you, you should know that if it bothers you, it IS an "important thing". I also suffer from similiar thing (only visual disturbances after I wake up, without any pain), and when my doctor prescribed me meds they went away. You should consult your doctor again and ask him for a solution for this thing.

Q. What are the visual distinctions between thermal burns and frostbite? Is it possible to definitively distinguish the two from each other in all cases, or do they present identically in many cases? In other words, are frostbite injuries-for all intents and purposes, actual burns and if they are not, in what ways do they differ?

A. Early frostbite and minor burns may resemble one another visually (by whitened, blanched looking skin, and blister formation). However, last stage frostbite and thermal (heat) burns are very different.
In late stage frostbite, the ice crystals in the cells melt and the ruptured cells pour out their contents, then blisters may form. Since the affected area has basically lost circulation, gangrene sets in rather quickly and the tissue turns black and dry.
Deep (full thickness) heat related burns are surrounded by areas of erythema (reddened skin) and skin with less degrees of burning. Also, eschar is obviously charred skin tissue forming a scab like structure, and looks nothing like gangrene. The wound bed in a burn leaks plasma constantly. Blistering is pretty immediate with heat related burns of a sufficient degree.

More discussions about visual
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References in periodicals archive ?
Divine Visual resells production equipment, video cameras, wide-range projectors, and media storage.
The former was an overly literal illustration of the conversion between an acoustic real and a visual imaginary, the latter a more dubious attempt, in part, to sonically condition the reception of a number of paintings.
Ideally, you need no notes at all but take all your cues from your visuals or, even better, from memory.
* VISUAL GRAPHICS PREPARED BY THE EXPERT witness can outline logical sequences and relationships in the case and can help to structure a trial plan.
If these visual artists are indeed the delineating force and breadth of a new generation of aesthetic values and concerns, then these writers who have contributed to the Freestyle catalogue adequately illuminate their visual strivings.
Throughout the article, I provide the rationale for discussing (a) the presenter's perception of visuals used in the workforce, (b) the importance of audience as a resource in visual composition, and (c) the need for ethical guideline to follow when developing visual designs.
The need to systematically examine visual images in persuasive communication grows even stronger when we consider the changing face of media today.
When designing and developing a lesson using any medium, visuals should be used to: (1) clarify a point; (2) emphasize a point; (3) add variety; (4) change focus; (5) record main points; (6) enhance your professional image; and (7) mark the presentation as special.
You also need to be comfortable with your visuals. Practice using them as you prepare the presentation.
Most engineers are strongly visual. That is, they take information in, filter it and process it using a visual frame more often than the other senses.
It has been said that a criterion for whether some things are visuals depends upon a reality or resemblance between them and their references (Osagawara, 1998: 113).
Visual Communicating is really a mini-course in developing and designing effective visuals.