Health Queries about Refresh Tears 0.5% Eye Drop 10ml

My eyes sometimes look dull and slightly yellowish - is it safe to use a Carboxymethylcellulose 0.5% w/v Eye Drop for this?

These lubricating drops are generally very safe and are mainly used to relieve dryness, irritation and discomfort, so using them shouldn't cause any harm. A yel...