Question about the condition of my 2 year old syrian hamster

I recorded these videos today and I am quite concerned by what I saw in the first one does anyone know what could be going on? https://youtu.be/7ACi18VgbSA   https://youtu.be/hXv84SC3Mg8 The second video is him eating some porridge about half an hour later

Wow!   That little one appears to be curled up tight and - breathing / beating their heart? - with the whole of their body.  In the second video, they look completely recovered and appear to be eating some food, but interestingly when the camera pans around / when the head turns towards the end, it is clear that one eye is held a lot more open than the other.

I'm afraid that out of context, I cannot tell you what is happening here.  I would expect your vet to examine the hamster's face and eye and perhaps perform some simply neurological tests to see if they can ascertain whether one eye is bigger or pushed more forward than the other (by infection or a tumour, for example), whether the hamster can see light and dark etc.  Indeed, it may be possible that the hamster is fitting in the first video and that neurological damage has occurred.  On the other hand, the hamster might always have had one eye more open than the other for some other reason, or they might have had something in their eye at the time of the second video which has since come away and is unrelated.  They may have simply been terrified / exhausted in the first video, or suffering a heart problem.  They might have been lacking in blood sugar, which can have some surprising effects.  There may be something behind the eye, for example a growth, causing pressure on the brain.  It could be that they were fitting.   Hopefully your vet has examined this tiny boy by now and has been able to list possibilities more appropriate to his case specifically than I have been able to do from here.  This is a fascinating case and we would be interested to hear how he gets on.