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

Deficiency diseases-pregnancy toxaemia in sheep , Pregnancy toxaemia in she...

Pregnancy toxaemia in sheep (twin lamb disease, sleeping ewes disease, pregnancy ketosis). Pregnancy toxaemia is a multifactor disorder of energy metabolism affecting sheep du

Determine the role as antioxidant, Determine the Role as antioxidant? S...

Determine the Role as antioxidant? Some carotenoids, in addition to serving as a source of vitamin A, have been shown lo function as antioxidants. Studies show that lycopene. (

DEVELOPMENTAL BIOLOGY, DIFFERENCE BETWEEN VEGETATIVE AND GENERATIVE CELL

DIFFERENCE BETWEEN VEGETATIVE AND GENERATIVE CELL

Agro industrial-selenium, Selenium Glutathione peroxidase (GSH-Px) was...

Selenium Glutathione peroxidase (GSH-Px) was the first selenium metalloenzyme identified.Glutathione peroxidase catalyzes the reduction of hydrogen peroxide and lipid h yp r o

Isomerisms types of unsaturated fatty acids, Unsaturated fatty acids show ...

Unsaturated fatty acids show different types of  isomerisms. We have already learnt about the.concept of  isomerism  in  the  last unit. You would  realize that fatty acids with s

Assessment of development in children, Assessment of Development in Childre...

Assessment of Development in Children The development of a child is studied through various responses which he exhibits following a natural or experimental stimulus. Basical

Explain the behavioural change communication, Explain the Behavioural chang...

Explain the Behavioural change communication? One of the reasons for the widespread prevalence of PEM in our country is ignorance due to illiteracy, particularly among the fema

Explain about the pasteurization, Explain about the Pasteurization? You...

Explain about the Pasteurization? You must be aware of the various pasteurized products available in the market. The most commonly used product being ‘milk'. Why do we need to

What is the sterile technique, Sterile Technique Every effort should be...

Sterile Technique Every effort should be made to conduct implant surgery under sterile operating conditions. Chlorhexidine 0.2% is used as a pre-operative mouthwash and skin pr

What is the nonhuman experimental studies, What is the Nonhuman Experimenta...

What is the Nonhuman Experimental Studies How normal brain development proceeds is essential knowledge for professionals concerned with understanding infant and young child dev

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