Illustrate theory of goldman in corneal transparency, Biology

Assignment Help:

Illustrate the theory of Goldman according to corneal transparency.

Goldman's Theory:

The fibrils are small in relation to light and do not interfere with light transmission unless larger than half a wave length of light.

Corneal Avascularity

Cornea is an avascular structure, except for its peripheral 1 mm, where small loops of vessels encroach. Progressive vascularization can interfere with transparency.

Corneal Hydration

The normal water content of cornea is 78 per cent. 'The state of relative dehydration is necessary for corneal transparency.


Related Discussions:- Illustrate theory of goldman in corneal transparency

Difference between medullated and non-medullated fibres, DIFFERENCE S BETW...

DIFFERENCE S BETWEEN MEDULLATED AND NON-MEDULLATED NERVE FIBRES       1. Medullated (Myelinated) Nerve Fibres Medullary sheath is present.

Categories of air pollutants, Categories of Air Pollutants From the ab...

Categories of Air Pollutants From the above list you can see that the air pollutants can be broadly classified into the following two categories: Primary Pollutants

Explain potassium, Explain Potassium Potassium (K): Potassium restri...

Explain Potassium Potassium (K): Potassium restricted diets are important for patients with  advanced renal  failure undergoing  conservative  treatment or haemodialysis. Th

What is pinocytosis, Pinocytosis: - The  ingestion of dissolved materials  ...

Pinocytosis: - The  ingestion of dissolved materials  by  endocytosis.  The cytoplasmic membrane invaginates and pinches off placing small  droplets of fluid  in  a  pinocytic vesi

What carbohydrate characteristic chemical features include, Carbohydrate ch...

Carbohydrate characteristic chemical features include: Select one: a. the potential to form multiple hydrogen bonds. b. the existence of one or more asymmetric centers.

Explain the history of animal taxonomy, Explain the History of Animal Taxon...

Explain the History of Animal Taxonomy? The beginning of animal taxonomy was made by Aristotle (384-322 B.C.). He extensively studied about anatomy, embryology, habit and ecolo

Animal kingdom, what is animal kingdom and what are its functions

what is animal kingdom and what are its functions

Disorder of skeleton and joints, DISORDER OF SKELETON AND JOINTS - 1 ...

DISORDER OF SKELETON AND JOINTS - 1 .      Sprain - It involves a stretching or tearing of tendons or ligaments. 2.      Arthritis - It is infalmation of joints.

Respiratory organ, . which is the main part of respiratory organ?

. which is the main part of respiratory organ?

Define briefly about the selenium, Define briefly about the Selenium? T...

Define briefly about the Selenium? The element selenium was discovered in 1817 in association with the element sulphur. However, selenium as an essential nutrient remained unre

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