Working of eye, Biology

Assignment Help:

WORKING OF EYE -

Human eye is sensitive to light wavelenght ranging from 380 - 760 nm.

Bees, ants, spiders and gold fish can see uttraviolet light which is invisible to human.

It has 2 functional parts -

1. Focussing part or dioptic -

It consists of conjunctiva, cornea, aquous humour, lens, vitrous humour. They refrect the light rays to bring them on the retina. Maximum refrection is caused by cornea.

2. Receptor part -

It comprises of retina. Here inverted and smaller image is formed.

In man Binocular or steroscpic vision is formed due to position of eyes i.e. close to each other.

In rabbit and other animals except primates monocular or panoramic image is formed.


Related Discussions:- Working of eye

Explain the interaction of vitamin a with iron, Explain the interaction of ...

Explain the interaction of vitamin A with Iron? Iron: Iron status of an individual correlates with vitamin A. The deficiency of  vitamin A has been found to be associated with

Modern cell theory, MODER N CELL THEORY Also known as cell doctrine or...

MODER N CELL THEORY Also known as cell doctrine or cell principle. [Cell theory + cell lineage theory = cell principle] Schleiden-Schwann's cell theory and cell lineage

Explain risk assessment, Explain Risk Assessment Risk Assessment   :  ...

Explain Risk Assessment Risk Assessment   :  The scientific evaluation  of  known  or  potential adverse  health effects  resulting  from  human exposure to food borne hazards

What gases was the earths primitive atmosphere, Before the emergence of lif...

Before the emergence of life of what gases was the earth's primitive atmosphere constituted? The earth's primitive atmosphere was basically produced of methane, hydrogen, ammon

Name the various test batteries, Name the various Test batteries Test ...

Name the various Test batteries Test batteries typically assess the following domains: General cognitive ability Language ability Visuoperceptual and constructi

Systematics, How do we define an living organism

How do we define an living organism

Classes of life form, Classes of Life Form The five life form classes ...

Classes of Life Form The five life form classes are: Phanerophytes, Chamaephytes, Hemicryptophytes, Cryptophytes, and Therophytes.

Explain protease inhibitors, Protease inhibitors (PIs) Protease inhibi...

Protease inhibitors (PIs) Protease inhibitors prevent cleavage of protein precursors essential for HIV maturation, infection of new cells and viral replication. Use of a prote

Chloroplast, Chloroplast In plants, chloroplasts are the essential o...

Chloroplast In plants, chloroplasts are the essential organelles for carrying out photosynthesis. Chloroplasts are found in all green plants. Chloroplast occurs mainly

Excretory system - urinary bladder, URINARY BLADDER - Pear shaped sac l...

URINARY BLADDER - Pear shaped sac like. Situated in pelvic region of abdominal cavity. Ventrally placed. Lined by transitional epithelum. Detrusor muscle i.e. to expell out

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd