What are the different layers the iris is made up of?+-Anterior Limiting Layer -Stroma (Iris sphincter and Dilator Pupillae) -Pigment Epithelial Layer
What are the 2 different iris muscles?+Dilator pupillae, sphincter pupillae
What is the iris sphincter responsible for?+Circular ring of muscle responsible for pupil constriction (Miosis)
How does miosis occur by means of the iris sphincter pupillae?+Stimulation of parasympathetic muscarinic receptors
What nervous system has an inhibitory effect on the sphincter muscle?+Innervation of the Sympathetic Nervous system
What is the dilator pupillae responsible for?+For pupil dilation (mydriasis)
How does mydriasis occur by means of the dilator pupillae?+Sympathetic Nervous system stimulates the alpha 1 adrenergic receptors
What system has an inhibitory effect on the dilator pupillae muscle?+Innervation of the parasympathetic system
What are miotics?+Drugs that induce pupil constriction
Which muscle do miotics work on?+Sphincter pupillae ...