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.
Ptosis can be present at birth (congenital ptosis) or develop due to aging, injury or an aftereffect of cataract surgery or other corrective eye surgery. This condition also can be caused by a problem with the muscles lifting the eyelid, called levators. Sometimes a person's facial anatomy causes difficulties with the levator muscles. An eye tumor, neurological disorder or systemic disease like diabetes are other causes of drooping eyelids.