Table 1.

Classification of additional items of the NEI VFQ-25 (10) supplement on to subscales of the NEI VFQ-25

Item	Discussion 1	Discussion 2	Subscale agreed
1. How much difficulty do you have performing tasks when your eyes are tired?	Consensus not achieved 3 general vision 1 ocular pain	Consensus achieved	General vision
2. Because of your vision, how much difficulty do you have identifying objects or performing tasks in bright sunlight?	Consensus achieved		General vision
3. Because of your vision, how much difficulty do you have parking a car?	Consensus achieved		Driving
4. Because of your vision, how much difficulty do you have using a computer?	Consensus achieved		Near activities
5. I have a feeling that my two eyes see differently, even with correction (glasses or contact lenses)	Consensus achieved		General vision
6. I have a feeling that my eye or eyelid appearance is unusual	Consensus not achieved 2 vision specific social functioning 2 general vision	Consensus achieved	Vision specific social functioning
7. My vision is blurry, not clear, or “fuzzy”	Consensus achieved		General vision
8. I have trouble focusing on or following moving objects	Consensus achieved		General vision
9. I have double vision with both eyes open that is not present when either eye is covered	Consensus achieved		General vision
10. My eyelid(s) droop	Consensus not achieved 2 vision specific social functioning 2 general vision	Consensus achieved	General vision