It is an aesthetic advantage to have eyes that are deep set. Nearly all beautiful eyes are deep set rather than prominent. However, with normal ageing. over time the eyes become deeper set and this becomes less attractive. They start to look hollow, sometimes giving a gaunt look and strangely, the expression on the face alters to give a cold look, that is not appealing. The usual remedy for ageing deep set eyes is to add volume back into the upper lid. These days, fat injections, which is a relatively minor procedure, provides a permanent correction without the risk of irregularity and lumps the way this was done a few years ago. Some doctors use fillers and although not permanent they last a few years in the lids. You would need to be seen in person to determine the suitability of this procedure and to rule out other less usual causes. The main one is, true lid ptosis where the internal muscle of the lid, the levator apparatus, that opens the eye is not working fully and needs to be adjusted. Correction of this is real surgery and should be performed by a surgeon with expertise in eyelid surgery, but if required, the dramatically reverses the heavy lidded look. My impression based on the photo of you in the dark dress is that the lid muscle is working well and that simple fat injections will be all that is required, but the second photo, with you in the red dress, suggests a true weakness of the lid muscle.