Hello friend, Thank you for posting your query through Healthcare magic. If the black spots are seen connected with your heart beat there may be some very small parts in the retina with stenosed capillaries and necrosed spotty areas with poor blood supply. But in your case I do not think that you will have any permanent damage of vision because you are having asthma, an allergic condition. Asthma is hypersensitivity and not related with your hypertension because your blood pressure is not coming under the range of Hypertension. You can have an ophthalmological examination to diagnose your vision problem. Thereafter I would like to advise you to approach an expert Homoeopathic physician because all your complaints you mentioned are problems of your constitution and should not be managed by suppressive local methods. That means you should not treat your eye problem,blood pressure, asthma as separate diseases but YOU should be treated genetically and constitutionally by Homoeopathic holistic method and then YOU will be cured first and subsequently all your complaints will be relieved. Or you can also get back to me with the details of YOU. I can even assist you to prepare your case by sending a case receiving format on request. Once I study your case I will be able to prescribe your curative Homoeopathic remedy. With Best Wishes, Dr C. J. Varghese, Homoeopath, drcjvarghese@gmail.com,