Visual impairment is a condition in which the affected individual experiences a limited function of the eye, and faces difficulty in getting a clear and unhampered view of their surroundings. For the visually impaired individuals, the functional limitation of their eyes is to such a degree, that it is not possible to resolve the visibility problem through the simple means of acquiring a pair of glasses or prescription contact lenses.
Visual impairment has different types, which can be described as being the level of visual acuity which a person has. Moderate and severe visual impairment include poor visual acuity, sometimes coupled with a reduced field of vision, which affects the capability of the affected individual to view his surroundings and enjoy a clear vision. The most severe case of visual impairment is blindness, in which the individual is not able to discern and differentiate his surroundings and has partial to no visual acuity.
Visual impairments are present in a wide variety of individuals, belonging to a diverse age group and demographic. Old aged individuals, young children, middle aged people as well as newborns, can be diagnosed with visual impairment, and the causes may be varied in each case. Traumas and accidents, as well as damage or injury to the eye, are probable causes of visual impairment in an individual. Cataracts, glaucoma, age related macular degeneration, retinitis pigmentosa and diabetic retinopathy are common causes of visual impairments, which can only be treated through proper medication and surgical procedures, with no effective results achieved through the use of prescription glasses and contact lenses.
For the visually impaired individuals, it is important to determine the probable and possible cause of the defect in visual acuity, and take suitable steps to ensure that the medical condition is handled in the best way possible. If the visual acuity of an individual can be improved through various treatment procedures, then a visually impaired individual should necessarily seek the professional medical assistance and guidance, of the best in the industry, to ensure improvement in his vision.
Diabetic patients should exercise extreme caution and ensure that their blood glucose levels remain within the levels specified by their doctors, as any negligence in this regard can result in diabetic retinopathy. The small arteries and capillaries of the eye get damage and the individual initially experiences blurred or foggy vision, which if not checked and treated promptly, can even lead to blindness in extreme cases. Age related macular degeneration and cataracts are more common in older people, and it is important for an individual to seek prompt medical assistance in order to avoid any major visibility problems.
Glaucoma and retinitis pigmentosa also affect the ability of an individual to enjoy good visual acuity, thus making it essential for an affected person to seek professional assistance at the first signs of any symptoms which pose difficulty in clear vision.
The visual acuity of an individual is determined by ophthalmologists and experts, and the most ideal means and treatments of dealing with the vision problem are opted for, in order to devise an effective solution to the problem in the initial stages. For the visually impaired individuals, it is best to deal with a probable medical condition before it develops into a more severe visual impairment problem.