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.
Other causes include conditions that affect the muscles and nerves of the eyelid as well as conditions that affect the skin and connective tissues of the eyelid. Rarely, tumors of the brain or eye area are the cause of drooping eyelids. Medically Reviewed by a Doctor on 3/6/2012.