Retinopathy is persistent or acute damage to the retina  of the eye . On going inflammation and vascular remodeling may occur over periods of time where the patient is not fully aware of the extent of the disease. Frequently, retinopathy is anocular manifestation of systemic diseases as seen in diabetes and hypertension. Diabetic retinopathy  is the leading cause of blindness in working-aged people.
Causes---Causes of retinopathy include but are not limited to:
Diabetes mellitus, which causes diabetic retinopathy
Arterial hypertension, which causes hypertensive retinopathy .
Retinopathy of prematurity due to prematurity of the newborn (under the 9 months of human pregnancy).
Radiation retinopathy due to exposure to ionizing radiation.
Solar retinopathy due to direct sunlight exposure.
Sickle cell disease
Retinal vascular disease such as retinal vein or artery occlusion.
Trauma, especially to the head, and several diseases may causePurtscher’s retinopathy 
Hyperviscosity-related retinopathy as seen in disorders which cause paraproteinemia
Many types of retinopathy are proliferative, most often resulting from neovascularization  or blood vessel overgrowth. Angiogenesis  is the hallmark precursor that may result in  blindness or severe vision loss, particularly if the macula  becomes affected.
Retinopathy may more rarely be due to ciliopathic genetic disorders such as Alstrom syndrome or Bardet – Biedl syndrome 
Retinopathy is diagnosed by an opthalmologist   during eye examination. Treatment depends on the cause of the disease.
APIS MEL 30-Recent cases. Swelling of the lids and general dropsical conditions. Stinging pain through the eye. Oedematous swelling of the lids. Detachment of retina.
AGARICUS MUS 30-Atrophy of optic nerve
ARNICA MONTANA 30-Retinal haemorrhage
ARSENICUM ALB 30- Retinitis with restlessness especially after midnight. Thirst for small quantities of water. Urine scanty and albuminous
AURUM MET 1M – Upper half of  objects invisible. Retinitis with opacities. Pain and soreness in the head and around the eyes. Detachment of retina
BELLADONNA 30- Congestive headache with apoplexy of the retina. Optic neuritis with inflammation. Photophobia
BRYONIA ALBA 30-Severe inflammation of the retina. A bluish haze before the vision and severe sharp pain through the eye and over it. Worse from motion.
CONIUM MACUALTUM  200-Severe pain deep in the eye. Retina oversensitive to light.
CROTALUS HOR 30- Absorbs rapidly extravasation of blood in the retina. Inflammation of retina
DUBOISIA 30-Hyperamia of retina with with weakness of accommodation. Retinitis with blood vessels full and tortuous . Pin over eye , between it and eyebrow
GELSEMIUM 30-Inflmmtion of retina. Dimness of vision appears suddenly . Detachment of retina due to injury or myopia
KALI IODIDE 30- Due to syphilis. Oedema around the eye
LACHESIS 200- Haemorrhages in to the retina with inflammation. Reabsorption of effused blood
MERC COR 30- Retinitis with renal diseases .Sensitiveness to the glare of a fire . Extravasation of blood from the weakened vessels
NAPHTHALIN 30- Detachment of retina. White patches on retina of oxalate sulphate and carbonate of calcium . Exudation in the retina, choroid and ciliary body
PHOSPHORUS 30-Eyes are sensitive to light . Halo around the light. Inflammation of retina. Craving for cold drinks
PLUMBUM MET 200- Inflammation of retina with renal diseases
PULSATILLA NIG 30- Hyperaemia and inflammation of optic nerve . Severe pain in head , better in open air
RUTA GRAVEOLENS 30- Disturbances of accommodation. Dim vision
SANTONINE 3- Retinal hyperaemia from over strain

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