What causes dipole-dipole interactions? The first thing required for there to be dipole-dipole interactions between molecules is for both molecules to have a dipole. These dipoles may be permanent (polar molecules) or temporary (instantaneous or induced dipoles in non-polar molecules). Polar molecules have an asymmetrical electron cloud/charge distribution.
Answers (2) 1  The abnormal growth direction of the eyelashe is generally called trichiasis. For children and teenagers, the cause of trichiasis is usually the abnormal growth of the epiblepharon and the epicanthus, or the congenital eyelid introversion. 2  That your eyelashes turn inward means you are suffering from trichiasis. If your eye lashes grow inward, you will feel uncomfortable because that the eye lashes are coarse. Trichiasis is usually caused by entropion, blepharitis, eye injury, distichiasis and idiopathic.
Madarosis is a medical name given for loss of eyelashes and eyebrows. In Greek the meaning of madaros is baldness. There are many reasons for loss of eyelash. The cause can be systemic disease or it can be local. A patient suffering from madarosis should always seek medical assistance to find the underlying reason. Apart from cosmetic dilemma, stress and anxiety related to the symptom, madarosis in itself is not serious. But at the same time it can be a symptom of a serious condition which should not be neglected. What Causes Loss Of Eyelashes And Eyebrows?