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

Types of drug action, TYPES OF DRUG ACTION - 1 .       PHARMACODYNAMI...

TYPES OF DRUG ACTION - 1 .       PHARMACODYNAMIC DRUGS - These drugs modify the physiological and biochemical processes in the patient's body to eliminate the disease.

Name five kingdoms into which living beings are divided, What are the five ...

What are the five kingdoms into which living beings are divided? Which group of living being is out of this classification? The five kingdoms of living beings are the kingdom M

Define fermented dairy products-curd and yogurt, Normal 0 false...

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

Neo-zoonoses, Neo-zoonoses In recent times, some of the pre-existing l...

Neo-zoonoses In recent times, some of the pre-existing low profile and less frequent zoonoses and some entirely newly recognized zoonoses are emerging with a new dimension. Th

Explain the barrier function in the cornea, Explain the barrier function in...

Explain the barrier function in the cornea. Barrier Function: It is the first line of barrier between the external environment and the corneal stroma. The superficial epi

Pluricellular organisms are formed by serial mitosis, Q. From the zygote, p...

Q. From the zygote, pluricellular organisms are formed by serial mitosis. Would this formation be possible if each cell made by mitosis had an identical life in relation to its ant

Can you explain shellfish poisoning, Q. Can you explain Shellfish Poisoning...

Q. Can you explain Shellfish Poisoning? Shellfish like oysters, mussels and clams are generally bred in the sewage polluted beds or brackish water. The shellfish poisoni

Define thermal coagulation and film formation, Define Thermal Coagulation a...

Define Thermal Coagulation and Film Formation? 1. Thermal Coagulation and Film Formation: Concentrated soy proteins can be thermally coagulated on a flat metallic surface, such

Crustaceans - hormones in growth and reproduction, Crustaceans - Hormones i...

Crustaceans - Hormones in Growth and Reproduction Arthropods have a tough and frequently hard exoskeleton made up of cuticle composed of chitin and protein. The cuticle impose

Explain risk factors and their role in cad, Explain risk factors and their ...

Explain risk factors and their role in cad ? The concept of risk factors constitutes a major advance for developing strategies to prevent CVD. The Framingham Heat Study played

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