1_EYELID ANATOMY
2_APPLIED SURGICAL ANATOMY
3_CLASSIFICATION OF PTOSIS
4_CLINICAL EVALUATION
1_EYELID ANATOMY
p 2 , 🍪Introduction
eyelid – regulation light reaching eye , ช่วย tear film maintenance
blinking – ช่วย tear flow pumping action on conjunctival sac , lacrimal sac
🍪 Surface anatomy
Lower el(eyelid) ถึง infr orbital rim join – cheek – forming fold – loss CNT of el – juxtaposed-วางเคียงกัน c denser tiss of cheek
U(upper) el crease – 8-11 mm supr to el margin
-attach supf insertion of levator aponeurotic fiber – 8-9 mm men ,9-11 mm women
infr el fold หรือ infr palpebral sulcus – มักพบในเด็ก 3 mm infr medial lower lid margin to 5 mm infr to latr lid margin
2_APPLIED SURGICALz ANATOMY
3_CLASSIFICATION OF PTOSIS
4_CLINICAL EVALUATION