Squint meaning in Urdu (Bhenga hona / بھینگا ہونا) refers to a condition due to the misalignment of both eyeballs. One eyeball is inwards, upwards, downwards or outwards direction while the other focuses at one spot. It is also known as strabismus or crossed-eyes.
Squint can be caused by problems with eye muscles, and affects the brain nerves that control the eye muscles. It is also associated with other conditions such as diabetes, high blood pressure, multiple sclerosis, myasthenia gravis or thyroid disorders. It can be seen either at a specific part of the time (intermittent squint) or all the time (constant squint).
Prevalence of Squint
In Pakistan squint is more common in children between the ages of 6-15 years. The overall prevalence of squint in children is about 6.2% according to the total number of patients reported in the tertiary care hospital of Karachi.
According to different surveys, the global prevalence of strabismus is about 2%-5% in the general population. But it is more common in children and old age people. The incidences of squint vary in each category worldwide are as follows:
- The no of cases reported between the age of 55-75years is about 6.1%
- For young children cases reported between the age of 1-3 years account for 1.9%
- The adult's cases reported between the age of 4-54 years estimates 3.3%