As per your description you are suffering from squamous blepharitis ,very irritating & causing redness & itching. White scally deposit on lid like dandruff is called squamous blepharitis leading to thickness of eye lid, fall of eye lashes ,redness & itching of eye due to allergic reaction to these materials. This scally deposit is soluble in sodium bicarbonate( mitta soda).take a glass of water in bowel( katora),put a pinch of mitta soda along with small amount of cotton& boil it,& let it cool to bearable temperature & wash eye lids with cotton in front of mirror,lids will be cleaned because dandruff material is soluble in mitta soda, let the lids dry& apply optithrocin eye ointment & oflo BM eye ointment 3-4 times in day on lid margin with clean index finger. You should do it daily at least for month then alternate days & gradually decreasing the frequency. For dandruff in scalp you should use Nuforce Anti Dandruff lotions( shampoo) available on Medical shop at once week.