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

Glycolysis, define glycolysis.describe the various steps of glycolysis

define glycolysis.describe the various steps of glycolysis

Chordates, what are the general characters of chordates? At least 10 charac...

what are the general characters of chordates? At least 10 characters.

Define elongation phase - mechanism of protein synthesis, Define Elongation...

Define Elongation phase - mechanism of protein synthesis? Elongation: RNA polymerase moves along the DNA and sequential synthesizes the RNA chain. There is the repeated cycle o

Aves, What is aves?

What is aves?

Barrier function of epithelium and endothelium in corneal, Explain about th...

Explain about the barrier function of epithelium and endothelium in corneal hydration. Barrier Function of Epithelium and Endothelium: Epithelium offers twice the resista

What are persistent organic pollutants, Q. What are persistent organic poll...

Q. What are persistent organic pollutants (POPs)? The POPs, or persistent organic pollutants, are toxic substances formed from organic compounds. The POPs are made in several i

Super cooling - temperature relations in animals, Normal 0 fals...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Define the term - cerebral arteriosclerosis, Define the term - cerebral art...

Define the term - cerebral arteriosclerosis An embolism can be a blood clot, a bubble of air, a deposit of oil or fat, or a small mass of cells detached from a tumor. Reduction

Excretion, The excretory of lizard

The excretory of lizard

Difference in sympathetic and parasympathetic nervous system, Difference be...

Difference between Sympathetic and Parasympathetic Nervous System - S.NO . SYM P A THETIC PERASYM P A THETIC 1.

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