Floppy eyeholes

Atticus is a 7yo mastiffX. She has always had huge droopy eyeholes bigger than her eyes, but lately her eyeballs are disappearing behind her top brow. No sign of itchiness, soreness or blindness; is this a problem?

Hello!  It can be, yes; for various reasons. Most obviously, it may limit vision and cause the owner of the eye to be more likely to have accidents, such as gallumphing into things or having things gallumph into them. Such conformations as you describe can also disrupt the thin protective film of fluid (the tear-film) over the front of the eye and make eye ulcers, scratches and infections much more likely;  this can lead to blindness if not well managed. I can't examine your dog from here, but there appears to be a 'pouch' at the front of the eye, which looks set to collect particulate matter, for example. IN general eyelid abnormalities tend to be congenital i.e. the dog is born with them, although the face does change shape as they grow. Your post seems to suggest that this developed late on in life, so there may have been a neuro-muscular change, making the nerve control of the muscles in that part of the face less effective than they have been. We would strongly advise a visit to your vet to have these eyes assessed properly;  they may refer you on for the correct treatment or surgery.  Best of luck and please let us know how you get on.