Card Set Information
Ocular Defence Mechanisms
Lecture 3- Ocular Defence Mechanisms
What are the 2 host factors that disease is prevented by?
What can compromise the defence of our eyes?
Do the eye’s defences act alone? if not, why?
What are some examples of exogenous challenges to the
What are some examples of anatomical features that are a
defence of the eyes?
How does the tear flow act as a defence?
How does the corneal epithelium prevent pathogen entry?
What is the mucin layer made up of?
What role do the transmembrane mucin cells play in the
eye’s defence mechanism?
What are the main features of the tear film that prevent
pathogen entry to the cornea?
How do the secretory mucins protect the surface of the
What are the three types of innervations within the
What are the 2 neural innervations pathways that acinar
cells respond to?
What is the function of the lipid layer?
What are the two phases in the lipid layers?
What does the aqueous layer of the tear film consist of?
where do these constituents originate from?
What are the four layers of the tear film? this question
is so LAME! <- that was srsli lame >>
What are the antimicrobial defences of the eye?
What are the 3 major tear proteins? State their origin
What are the main roles of serum proteins?
When do the concentrations of serum proteins increase?
What is the complement system?
What are the cellular components of the innate immune
What are the 3 immunoglobulins found in tears and what
are their roles?
List a few of the effects of prolonged contact lens wear.
List some of the effects of eye closure.