A cataract is opacity or cloudiness of the lens of the eye that may cause the loss of visual acuity. In the cataract color and structure of the lens is destruct and change in the milky white colors. Cataracts rank as it were behind arthritis and heart disease as a leading cause of disability in more seasoned grown-ups. Cataracts influence about 20.5 million Americans who are 40 a long time of age or more seasoned or approximately one in every six individuals in this age run. By age 80, more than half of all Americans have cataracts. Concurring to the World Health Organization, cataract is the driving cause of visual impairment within the world.
Glaucoma is a group of eye disease which is characterized by increase intraocular pressure. Increase IOP damages the Optic nerve and nerve fiber layer. A glaucoma is a group of ocular conditions characterized by optic nerve damage. The optic nerve damage is related to the intraocular pressure (IOP) caused by congestion of aqueous humor in the eye. There is a range of pressures that have been considered “normal” but that may be associated with vision loss in some patients. Glaucoma is more prevalent among people older than 40 years of age, and the incidence increases with age. It is also more prevalent among men than women and in the African American and Asian populations. There are two types of glaucoma Primary glaucoma which include Open angle glaucoma and angle closer glaucoma, and another one is Secondary glaucoma.
Otosclerosis is a condition in which there is abnormal bone growth inside the middle ear cavity. It includes symptoms of otosclerosis, otosclerosis causes, surgery for otosclerosis, Stapedectomy for otosclerosis, and treatment for otosclerosis.
One of the foremost vital structures in your inner ear is the mastoid bone. In spite of the fact that it’s called a bone, the mastoid doesn’t have the commonplace structure associated with other bones within the human body. It’s made to air sacs and resembles a sponge, instead of being solid and unbending like most bones. It is an infection of the mastoid air cells caused by untreated or inadequately treated otitis media. Infection can be acute or chronic.
Deafness is defined by partial or complete hearing loss. Hearing loss is a common handicap worldwide. It may be conductive, sensorineural, and mixed hearing loss. Hearing impairment ranges from mild difficulty in understanding word or sound and then total hearing loss. hearing loss are of different types those are conductive hearing loss, sensorineural hearing loss, and mixed hearing loss.
It is the disorder of Inner ear that causes episodes of vertigo, ringing in the ear (Tinnitus), and one-sided sensory hearing loss that causes by increase endolymph fluid pressure inside the inner ear canal system. Exact cause of the meniere's disease is unknown but there are some risk factor which are allergic reaction, viral or bacterial infection, fluid imbalance, blockage in the endolymphatic duct, head injury, and long term stress. visit for more....