How to Prevent Black Spot. With the right gardening habits in place, you can keep black spot at bay on your roses by: 1  Water in the Morning: This allows the moisture to evaporate from the leaves.  Avoid Watering Foliage: Especially if the weather is warm and humid, avoid getting the foliage wet when watering.
Droopy eyelids can also be caused by trauma, surgery, or by damage to the muscles that raise the eyelids or to the nerves that control these muscles. Tumors, neurological disorders, systemic diseases, and certain drugs have also been known to cause ptosis.
If just one of your eyelids droops, it may be a result of a nerve injury or a temporary sty (inflammation and swelling of the eyelid that is usually harmless). Routine LASIK or cataract surgery is sometimes to blame for the development of ptosis, as a result of the muscle or tendon being stretched.