Cat-PROM5

A five-item patient-reported outcome measure of cataract-related visual difficulty, developed in UK NHS patients and validated with Rasch methods. Shorter than Catquest-9SF with similar or better performance in head-to-head studies.

Instructions:

If you use glasses or contact lenses for some activities, please answer according to how you can see when using them. Please think about your eyesight in the past month. The first question is about your bad eye only. The remaining questions are about your eyesight overall, using both eyes together.

Cat-PROM5

In the past month, have you felt that your bad eye is affecting or interfering with your vision overall?

No, never

Yes, some of the time

Yes, most of the time

Yes, all of the time

In the past month, how much has your eyesight interfered with your life in general?

Not at all

Hardly at all

A little

A fair amount

A lot

An extremely large amount

How would you describe your vision overall in the past month - with both eyes open, wearing glasses or contact lenses if you usually do?

Excellent

Very good

Quite good

Average

Quite poor

Very poor

Appalling

In the past month, how often has your eyesight prevented you from doing the things you would like to do?

Never

Some of the time

Most of the time

All of the time

In the past month, have you had difficulty reading normal print in books or newspapers because of trouble with your eyesight?

No difficulty

Yes, a little difficulty

Yes, some difficulty

Yes, a great deal of difficulty

I cannot read anymore because of my eyesight

I cannot read because of other reasons

Please tell us who actually gave the answers to the questions and who wrote them down

I gave all the answers and wrote them down myself

I gave all the answers and someone else wrote them down as I spoke

A friend or relative gave some of the answers on my behalf

Patient Watch Form - 4/2/2026