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

Illustrate about the non-concomitant, Non-concomitant or Paralytic Squint ...

Non-concomitant or Paralytic Squint This subdivision of manifest squint occurs when there is a deviation of the eye in different directions. The causes for non-concomitant squ

What is glycolysis in cell metabolism, What is Glycolysis in Cell Metabolis...

What is Glycolysis in Cell Metabolism? Glycolysis :  is the process that breaks down glucose into pyruvate and energy. Glycolysis does not require the presence of oxygen and

How is the body of gastropods divided, How is the body of gastropods divide...

How is the body of gastropods divided? The body of gastropods is separated into three main portions: a) Head, b) The visceral mass and c) Foot.

What is the tympanum, What is the tympanum? In which part of the ear is it ...

What is the tympanum? In which part of the ear is it located and what is its function? The tympanum (or ear drum) is a membrane located in the middle ear just after the auditor

Pain - criteria for endosteal implants, Q. Pain - criteria for endosteal im...

Q. Pain - criteria for endosteal implants? Pain and tenderness are subjective criteria and depend on patient's  interpretation of the degree of discomfort. Pain is defined as u

Describe retroviruses and how do they reproduce, Q What are the retroviruse...

Q What are the retroviruses? How do they reproduce and what is the role of the enzyme reverse transcriptase? Retroviruses are viruses whose genetic material is RNA, HIV and the

Determine the central thermoreceptor neurons, Which of the following serves...

Which of the following serves as a sensor, or as part of a sensor, that functions in a negative feedback system? A. Central thermoreceptor neurons whose peripheral terminals ar

Phylum coelenterata, #questioen..what is the example of outline og phylum c...

#questioen..what is the example of outline og phylum coelenterata

Define hydrolytic rancidity - lipolysis, Define hydrolytic rancidity Li...

Define hydrolytic rancidity Lipolysis is a major action occurring during deep fat frying due to large amounts of water introduced from the food and the relatively high temperat

Metabolic processes, Metabolic Processes Living things are complex...

Metabolic Processes Living things are complex and yet, the cell is the basic unit of life New cells result of mitosis cell division DNA controls all cell functions

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