Lids and Lashes (M1) Flashcards
In straight ahead gaze, how much does the upper lid cover the upper limbus? 1. Lower lid covers lower limbus? 2
- 2 mm
2. 1 mm
What is the distance from the center of the pupil to the the upper lid?
MRD (Margin-Reflex Distance)
What results in a pseudoptosis due to a small eye, causing lack of lid support?
phthisis bulbi
What is excessive and droopy eyebrow skin called?
dermatochalasis
What is it called when a patient looks down and then looks straight, causing a slight flutter?
Cogan twitch
What is trouble swallowing called?
dysphasia
What is trouble speaking called?
dysarthria
What are the two devices used to measure the extent of proptosis called?
- Hertel Exophthalmometer
2. Luedde Exophthalmometer
What numerical conditions require suspicion when measuring proptosis?
- Diff of > 2mm between OU
2. If either eye is > 20 mm
What is a translucent cyst on the anterior lid margin called?
Cyst of Moll
What is a translucent cyst that is not confined to the lid margin called?
Sweat Gland Hidrocystoma
What is an opaque cyst on the anterior lid margin called?
Cyst of Zeis
What is a cyst that contains cheesy contents and is frequently at the inner canthus?
Sebaceous cyst
What are dilated blood vessels on the surface of a lesion called?
telangiectasia
What is the sewing of lids together to temporarily protect the cornea
Tarsorrhaphy
How do you tell the difference between congenital and acquired ptosis?
In congenital, the eye comes up when looking down (lid lag in down gaze)
