An eyecup is called an eyebath in Britain.    From Wordnet, Princeton University. 

An eyecup can also be used, especially if only one eye is affected.    From Wordnik.com.  [THE NATURAL REMEDY BIBLE] Reference

Rinse each eye 20 to 30 seconds using an eyecup purchased from a pharmacy.    From Wordnik.com.  [THE NATURAL REMEDY BIBLE] Reference

To use any of these teas as an eyewash, purchase a small eyecup in a pharmacy.    From Wordnik.com.  [THE NATURAL REMEDY BIBLE] Reference

Rinse each eye two or three times daily using an eyecup obtained at a local pharmacy.    From Wordnik.com.  [THE NATURAL REMEDY BIBLE] Reference

For convenience, twenty drops of tincture of eyebright to an eyecup of water may also be used.    From Wordnik.com.  [THE NATURAL REMEDY BIBLE] Reference

Eyebright—infuse the whole plant, or use fifteen to twenty drops of tincture of eyebright in an eyecup.    From Wordnik.com.  [THE NATURAL REMEDY BIBLE] Reference

Then there are the little touches that demonstrate the top level of user-friendly engineering: indentations on the body armor that fit the thumbs for a comfortable hold; tight checkering on the center focus knob for a better touch; extremely fine focus for close and far; and rounded eyecup rims that nestle against the eye sockets.    From Wordnik.com.  [Best New Binocular 2009: Kowa Genesis 33 8x33] Reference

It's too bad the finder isn't fitted with a rubberized eyecup.    From Wordnik.com.  [Epinions Recent Content for Home] Reference

Nikon D80 body with body cap, eyepiece cap, eyecup, and LCD monitor cover.    From Wordnik.com.  [Imaging Resource News Page] Reference

Nikon D300S body with body cap, eyepiece cap, eyecup, and LCD monitor cover.    From Wordnik.com.  [Imaging Resource What's New] Reference

Now I'm wondering if I should get an alternative eyecup such as the one below.    From Wordnik.com.  [News: Digital Photography Review (dpreview.com)] Reference

That's when I saw Eric, his feet planted just off the path, face buried in eyecup.    From Wordnik.com.  [Viewfinder BLUES] Reference

Pentax K20D body with body cap, eyepiece cap, eyecup, sync socket cap and hotshoe cover.    From Wordnik.com.  [Imaging Resource News Page] Reference

But combining the two approaches in a pop-up laundry basket - that may just be an eyecup original.    From Wordnik.com.  [thing-a-day 2010] Reference

If you really push your eye to the viewfinder and collapse the rubber eyecup, you can see the whole frame, but only just.    From Wordnik.com.  [News: Digital Photography Review (dpreview.com)] Reference

You can use an eyecup or small, clean drinking glass positioned with its rim resting on the bone at the base of your eye socket.    From Wordnik.com.  [All MayoClinic.com Topics] Reference

The Z-Finder offers 3x focusable magnification, an eyecup preventing extraneous light leakage, and is custom-fit for 76mm diag.    From Wordnik.com.  [PR Leap - Recent News Releases] Reference

Within the E-520's eyecup is an Eye-level singe-lens reflex viewfinder, with. 92x magnification that shows 95\% of the composed frame.    From Wordnik.com.  [Imaging Resource News Page] Reference

Such combinations can make the imagination take flights of fancy: how about a toothbrush with a blackhead squeezer at the other end? or a combination of eyecup and eyelash curler? or a nail file with a toothpick?.    From Wordnik.com.  [VERBATIM: The Language Quarterly Vol VII No 4] Reference

The Z-Finder is Zacuto's Optical Viewfinder (made by Schneider) that offers digital camera owners 3x focusable magnification, a 40mm diameter lens, an eyecup preventing extraneous light leakage, and a field of view perfectly matched to LCD screens.    From Wordnik.com.  [Photofocus] Reference

A new magnifying video eyecup for your Hood - Loupe 3.0 and the HoodCrane.    From Wordnik.com.  [Digital Camera Reviews and Ratings] Reference

If not, is there a larger eyecup I can purchase?.    From Wordnik.com.  [News: Digital Photography Review (dpreview.com)] Reference

Nikon DK-21 rubber eyecup.    From Wordnik.com.  [The PJ Candy Store (equipment)] Reference

• Clip-fit eyecup.    From Wordnik.com.  [News: Digital Photography Review (dpreview.com)] Reference

• Clip-fit eyecup LCD monitor.    From Wordnik.com.  [News: Digital Photography Review (dpreview.com)] Reference