Essays Tagged: "Iris"

Near & Farsightedness, What are visual defects and how common are they?

ndthe light toward the center of the eye.        Under the aqueous humor is the iris which gives theeye color. The color of the iris has no effect on how yousee and is inher ... e color. The color of the iris has no effect on how yousee and is inherited through genes. The iris contols howmuch light is allowed to enter your by opening upfurther when it is dark and ...

(1 pages) 30 0 3.7 Mar/1997

Subjects: Humanities Essays > Health & Medicine

The Structures and Functions of the eye.

ye is specialised in producing a clear image for the brain to interpret.Conjunctiva, Cornea, Pupil (Iris), Retina, Blind Spot, Fovea (Yellow Spot)The very first thing light will come into contact with ... ystem and not controlled by us thinking as such. The pupil size is controlled by the muscles of the iris which surrounds the hole. There are two types of muscle controlling the iris. These are circula ...

(2 pages) 44 0 4.0 Apr/2003

Subjects: Science Essays > Biology > Human Biology

How the eye works.

and isthought to be a great peice of natural engineering.The eye consists of a few main parts, the iris, pupil, lense,vitriouse humour and retina. I will explain how each one works.Iris: This can app ...

(2 pages) 35 0 0.0 Jun/2003

Subjects: Science Essays > Biology > Human Biology

How to Make a Beaded Iris.

Outline for my Process EssayIntroduction- How to Make a Beaded many pipe cleaners and what colors2.tri-beads-colors and how many3.floral tape, ... ads and pipe cleaners2.attach petals and form3.paper leavesConclusion- Knowing how to make a beaded irisMisty Curtis10/02/02How to Make a Beaded IrisMaking a flower you never have to water, can be per ... k of twenty-five), twenty-four yellow tri-beads(eleven mm)or forty-eight if you're making a bearded iris, 144 crystal tri-beads(eleven mm), 144 purple tri-beads(eleven mm). All of those should be righ ...

(2 pages) 32 0 3.0 Nov/2003

Subjects: Art Essays

The eye

a, light rays have to pass through the pupil. It is an adjustable opening that is controlled by the iris. The iris (the colored part of the eye) decides how much or how little light will be passed thr ...

(2 pages) 65 2 3.9 Feb/2004

Subjects: Science Essays > Biology > Human Biology

Human Eye

od the delicate structures of the eye. The front parts of the choroids are the ciliary body and the iris. The ciliary body serves as a muscular area that is attached to the lens, which permits us to c ... rea that is attached to the lens, which permits us to contract and relax the lens for focusing. The iris is colored part of our eyes. The color of the iris is a result of the color of the connective t ...

(2 pages) 37 0 4.6 May/2004

Subjects: Science Essays > Biology > Human Biology

The Tempest Act IV, Short Story

nand and asks for a stronger vow. Ferdinand swears again and Prospero recalls Ariel.A spirit called Iris enters the room citing a speech. In her speech, she announces the arrivals and the traits of Ce ... ng a speech. In her speech, she announces the arrivals and the traits of Ceres and Juno. Ceres asks Iris why she has been summoned and Iris says there is "a contract of true love to celebrate" (line 9 ...

(2 pages) 20 0 5.0 May/2004

Subjects: Literature Research Papers

Science, How is an eye like a camera?

light that enters the camera.Which part of the eye controls the amount of light entering?It is the Iris. This is the part of the eye which is responsible for one's eye color. It acts like the diaphra ...

(2 pages) 21 0 3.0 Jun/2004

Subjects: Science Essays


s it enters the eye. The lens is adjustable to allow viewing of both close and distant objects. The iris, just like the iris in a camera, controls the amount of light that enters the eye. It opens and ...

(12 pages) 82 0 5.0 Nov/2005

Subjects: Science Essays > Biology > Human Biology

What Process light goes through as it enters the eye travels to the brain?

over your eye. Next it will pass through the pupil which is the small opening in the middle of your iris, or colored part of your eye. The muscles in the iris help to protect the eye by expanding and ...

(2 pages) 13 0 4.0 Dec/2005

Subjects: Science Essays > Biology > Human Biology


of a person and most times are automated. Such features as ones fingerprints, handwriting, retinal, iris, face, hand geometry, and voice are measured. Biometric technology is rapidly being used as the ... turity. Fingerprint recognition is a good example as it has been in use for over a century where as iris recognition has been used for only a bit more than a decade. This does not mean that one is bet ...

(3 pages) 87 0 0.0 Apr/2006

Subjects: Science Essays > Computer Science > Computer Ethics


n security systems that can be installed including hand readers, fingerprint readers and impressive iris/retina scanners.Hand readers are now considered the most primitive of all the new biometric tec ... f biometric security because they are the most accurate at capturing identification features in the iris and retina of the eye. For scanning to be successful, the person must sit perfectly still. The ...

(2 pages) 54 0 3.7 Apr/2006

Subjects: Science Essays > Technology

"Dandelion Wine" by Ray Bradbury.

d nothing, opened one eye. And everything, absolutely everything was there. The world, like a great iris of an even more gigantic eye, which has also just opened and stretched out to encompass everyth ...

(6 pages) 13 0 0.0 May/2006

Subjects: Literature Research Papers > North American > Authors

Georg Heyms Der Gott der Stadt

n bringen und die dahinter verborgene Kritik aufzeigen._________________1 Vgl. Reinhardt - Steinke, Iris: Untersuchungen zur Lyrik der Moderne am Beispiel der GrosstadtgedichteGeorg Heyms. o.O. 1979, ... änzte Auflage. München 1983.KORTE, Hermann: Georg Heym. Stuttgart 1982.REINHARDT-STEINKE, Iris: Untersuchungen zur Lyrik der Moderne am Beispiel derGrosstadtgedichte Georg Heyms. o.O. 1979 ( ...

(14 pages) 2535 0 5.0 Nov/2006

Subjects: Literature Research Papers > European Literature

A Comparison Between a Human's and Cow's Eye

ns are only black.ScleraThey appear to be the same. (The cow's sclera is so thick to break through!)IrisWhen I looked around at my colleague's eyeball cow, all the iris seemed to be dark brown. I know ... ked around at my colleague's eyeball cow, all the iris seemed to be dark brown. I know that human's iris come in different colour such as green, blue, gray, etc.CorneaThey look exactly the sameExterio ...

(4 pages) 18 1 1.0 Dec/2006

Subjects: Science Essays > Biology

Conflict In The Workplace

e: Jan 2nd , 2002 To: Brian B, Manager of Trade Finance Dept, ABC Limited Banking Corporation From: Iris Cai CONFLICT IN THE WORKPLACE BACKGROUND XYZ Company Limited ("XYZ") is one of our main c ... Visiting XYZ's Finance Manager for training courses · Brian and Iris · 10th Nov · 10th Nov &Aci ...

(3 pages) 24 0 0.0 Nov/2001

Subjects: Businesss Research Papers

Performance-Based Assessment

as an instrument in an alternate form of assessment other than standardized. According to (Rotbert, Iris) Phi Delta Kappan ,2001, utilizing the performance based assessment allows one to widen the cur ...

(5 pages) 99 0 4.0 Feb/2008

Subjects: Social Science Essays > Education


The movie Iris stars the character Iris Murdoch, who is a Professor of Philosophy and an author of many novels ... many novels. Her husband John Bayley, who is a Professor of Literature, notices a sudden change in Iris' health and he decides to get an examination which later on reveals that Iris suffers from Alzh ... decides to get an examination which later on reveals that Iris suffers from Alzheimer's disease. As Iris' memory fades away, her husband desperately tries everything he can to help her cope with Alzhe ...

(3 pages) 701 0 0.0 Feb/2008

Subjects: Art Essays > Film & TV Studies > Film Review and Analysis


are inclusive of fingerprints, 3-D image of one hand, handwriting, voice recording, and scanning of iris and retina (BioVeriCom Incorporated, 2004).The usage of biometrics can be divided in two kinds. ...

(2 pages) 16 0 5.0 May/2009

Subjects: Science Essays

Because It Is Bitter, and Because It Is My Heart

es in the humiliation of others. One of the victims whom he chooses to torment is fourteen-year-old Iris Courtney, first taunting her, then throwing gravel at her face, and finally insinuating a sexua ... etball star. Jinx, who responds instinctively and almost unaccountably to Little Red's treatment of Iris, kills him, taking another life to protect a white girl he barely knows. How Jinx and Iris live ...

(9 pages) 1526 0 0.0 Aug/2009

Subjects: Literature Research Papers