Assorted Concepts Flashcards
Which type of collagen is the sclera composed of?
1.
Which type of collagen is the vitreous composed of?
2.
Which type of collagen is the lens capsule composed of?
4.
Which type of collagen is the corneal stroma composed of?
1.
Which type of collagen is the corneal Descemet membrane composed of?
4.
What are the DVLA criteria for driving license eligibility?
- Read a post-September 2001 number plate at 20 metres.
- Visual acuity ≥6/12.
- Horizontal visual field of 120° with 50° of extension in either direction.
- No visual field defect within 20° of the horizontal meridian.
What happens if the patient is diagnosed with a condition that means they do not fulfil the DVLA criteria?
DVLA must be notified.
What is the germ tissue of origin of the conjunctival and corneal epithelium?
Surface ectoderm.
What is the germ tissue of origin of the adnexal and nasolacrimal apparatus?
Surface ectoderm.
What is the germ tissue of origin of the lens?
Surface ectoderm.
What is the germ tissue of origin of the neurosensory retina and optic nerve?
Neuroectoderm.
What is the germ tissue of origin of the pigmented epithelium of the retina, iris and ciliary body.
Neuroectoderm.
What is the germ tissue of origin of the pupil muscles?
Neuroectoderm.
What is the germ tissue of origin of the corneal endothelium?
Neural crest.
What is the germ tissue of origin of the stroma of the cornea and iris?
Neural crest.
