Table 1.

Ease of surgery questionnaire

Q1. Subjective assessment by operating surgeon
Easy	1
Difficult	2
Very difficult	3
Not possible	4
Q2. History of previous surgery
Incisional biopsy	1
Excisional biopsy with direct closure	2
Excisional biopsy with Tenzel’s procedure	3
Excisional biopsy with lid-sharing procedure	4
Q3. Plan for reconstruction
Only advancement	1
Flaps (rotational)	2
Lid-sharing procedure	3
Healing by secondary intention where lid reconstruction is not possible/exenteration	4
Q4. Amount of lid tissue likely to be sacrificed
<1/3	1
1/3–1/2	2
>1/2–2/3	3
>2/3	4
Q5. Reliability of frozen section*
Reliable on all three sides	1
Only 2 sides	2
Only 1 side	3
Not reliable	4
Overall ease of surgery assessment
Easy	<8
Difficult	8–12
Very difficult	≥12

*A reliable frozen section is possible only when one is able to harvest full thickness eyelid tissue from any side. Reliability decreases once tumour resection margin extends beyond the tarsal plate.