I wear contact lenses, am very shortsighted and have astigmatism. I used to have my lenses delivered to me at home from Specsavers in the UK and paid £18 per month for monthly disposable contact lenses including peroxide cleansing liquid. Before I came I purchased 6 months supply (lenses only) for £15 per pair. I have really dry eyes and can only wear a certain brand. There are several opticians here and there also seems to be a lot of companies online too. I still have a few pairs but decided to price up lenses. I visited Multioptica in the Forum shopping mall in Coimbra recently. They did not have the brand I wanted but had Cooper Vision and I took my empty boxes to show the prescription. They confirmed that 6 months supply of the Cooper Vision would cost 139.80. I think my lenses are a bit more expensive than the basics due to the astigmatism so I have to have the toric ones. 

I still have a few pairs from the UK to last a while but only have 1 bottle of the peroxide cleansing solution so thought I had better order some from Amazon UK as I am unsure if pharmacies will be shut or restricted opening hours due to our current situation we are all facing. Ordered x3 360ml bottles of Bausch & Lomb for £23.43 including delivery from the UK to Portugal so works out under £8 per bottle and will last a few months. This gives me time to source some here.


Update August 2020:

I am rapidly running out of contact lenses so decided to purchase some online. I have found the following Portuguese websites to be very competitive and a few of my Facebook friends here have recommended them so I know they have good customer service.

https://www.alensa.pt/

https://www.lentesdecontacto365.pt/

https://www.opticaiberica.com/

Although Alensa were the cheapest, I decided to order through Lentes de contact 365 as they had the best deal combined with purchasing the contact lenses solution.

I purchased 3 months supply of monthly toric Cooper Vision Biofinity for €17.08 each pack (3 in a pack). So 3 months supply for both eyes cost 34.16.

I also purchased 5 bottles of Bausch & Lomb Easysept peroxide contact lenses solution (360ml) x 5 which comes with a free saline solution (355ml) for €39.

So my lenses and solution work out to cost just over €19 per month which is comparable to what I was paying in the U.K from Specsavers (£18 per month).

We did have an issue trying to pay with our bank card but I emailed them and a lovely lady phoned hubby and he ended up paying via Paypal. They also apologised and are going to send a free gift of some solution which is very kind.