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

False positive st changes, Q. False Positive ST Changes? 1) The slope ...

Q. False Positive ST Changes? 1) The slope of the PQ-segment can help predict the magnitude of the influence of P-wave depolarization and thus help predict which patient wou

What then are antioxidants?what is their role as additive, What then are an...

What then are antioxidants?What is their role as additive Normal 0 false false false EN-US X-NONE X-NONE MicrosoftIn

Species diversity indices, From an ecological point of view, species richne...

From an ecological point of view, species richness alone has limited value. More meaningful measures use the number of different species in a given area (species richness) as well

Brookes formula, Brooke's  Formula: a)  Fluid  requirement  b)  Es...

Brooke's  Formula: a)  Fluid  requirement  b)  Estimate the accurate/approximate weight of the patient  c)  First  24  hours  Colloids (blood, plasma, dextran) 0.5 ml

Explain surgery process for head and neck tumor, Define Surgery Process for...

Define Surgery Process for Head and Neck Tumor? Treatment mostly involves combination of surgery and radiation. Chemotherapy is also used in some cases, we will learn about the

Invertabrate zoology, a report on similarities and diffrences between proto...

a report on similarities and diffrences between protozoans and mesazoans

What is cilia and flagella, What is Cilia and Flagella? The surfaces of...

What is Cilia and Flagella? The surfaces of many eukaryotic cells bear cilia or flagella, built from specialized microtubules. Cilia are tiny brushlike hairs, and flagella are

Initiation of aseptic cultures, Initiation of Aseptic Cultures The nut...

Initiation of Aseptic Cultures The nutrient medium (basal medium) used for plant tissue culture would promote luxuriant growth of micro-organisms such as bacteria and fungi. W

Future challenges of management of renewable resources, Define Future chall...

Define Future challenges of management of renewable resources?   In response to past shortcomings in a few fisheries management, and to dealing with other conservation goals

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