I use a chamois cloth, seems to pick up oil/smudges even better that microfiber and need less washing. Also super easy to wash when it does need it. I basically just cut a dollar bill sized section off a natural off-brand sham-wow and it works better than anything else I've used

Every once in a while I'll use dish soap and my fingers, then dry with a microfiber cloth.

Microfiber cloth and whatever that glasses spray is works ok, but after a while it feels like I'm just pushing smudges around. Dish soap for the microfiber cloth will also fix that.

When I see people using their shirt to clean their glasses I cringe inside.

I've never been without at least twenty microfiber cloths before.

Just water and a regular dishtowel. If they're more dirty I'll use dishwasher soap. Rub it over with a finger to get the greesy stuff off and wash the soap off.

The microfiber cloth that usually comes with the glasses tend to stop working after a while, and I always have clean dishtowel anyway.

Outside my kitchen I use my t-shirt or if I'm wearing a shirt, I'll use the underwear top, because shirts generally aren't too good at it due to prints or fabrics. Yes I wear a "wife beater" under my shirt. It's what it's for, and I guess also for cleaning glasses.

I found these cloths years ago, and they clean extremely well and go a long time before needing to wash them. Then I'll just throw them in the laundry with my clothes, take them out and air dry instead of throwing in the dryer.

https://a.co/d/5xYcaFH

If I my glasses end up getting particularly dirty, like grease spots from cooking, I do the dawn dish soap method and dry them with one of those cloths.

I use warm (not hot) water under pressure. Dry with a clean hand towel. Warning: don't use towels that were fabric softened, fabric softener can leave some nasty, hard-to-remove streaks on the lenses.

Gin will clean you glasses better than anything EVER. Nex t time you're at your local bar, ask for a bar napkin with a drop of gin, and then dry with a microfiber, then thank me later!

I have a spray bottle with an isopropanol water mixture (around 10% isopropanol) and I just give my glasses a good spray and then wipe them with a clean microfiber kitchen cloth.

(I wash these cloths with just detergent powder, no softener or other additives, so they are grease-free out of the washer)

I use denim. My jeans get my glasses cleaner than anything else I've tried. I'm sure it's not as good for them as a microfiber cloth, but it's what I have on me. My wife has me clean hers, too.

Same as my laptop screen/keyboard - I use a dab of Dawn (or whatever brand I currently use) and a moist very soft sponge and dry with an old teatowel.

Tap water and a bath towel.

Cold tap, pocket handkerchief.

I use glass cleaner (I think it's called WHOOSH) and a microfiber cloth to my glasses and displays.

Use soap and water and rub it with my fingers. Shake the excess water off then use a microfiber to finish up. We use microfibers to clean around the house and always have clean ones handy.

Zeiss wipes.

I bought so many microfiber cloths that when one gets too dirty, it goes to workshop duty and I get a new one for glasses.

For cleaning lenses properly (which I do once a week or so), I tend to use lint-free tissue (Kimwipes) and a mixture of 85% petroleum ether & 15% pure isopropanol; both of which should be available at your local hardware store. Bonus is that this is also appropriate for scientific optics, like microscope/camera lenses & instrumentation components (mirrors, prisms etcs) - just don't rub them!