The Concept of Refractive Errors and their Corresponding Vision Correction
The eyeball is a spherical organ situated in a bony cavity called the orbit. The muscles are located not only on each side of the eye, but also on the top and the bottom of the eye.
Based on this primary description of the anatomy of the eye, it can be deduced that the eye is such a highly sensitive organ that proper attention and safeguard must be taken into consideration.
Since many problems and health habits begin in childhood, sound principles of safe care need to be stressed at this time.
Complaints such these need to be investigated: headaches, dizziness, tiredness after close eye work, cannot see well, letters jump or run together, or eyes that feel scratchy or itchy. The appearance of inflamed or watery eyes, red rimmed, encrusted or puffy lids, recurring sties, crossed eyes, and unequal pupils may be significant.
Unusual behavior also should be noted such as holding a book too close, frowning, blinking, etc. A combination of these signs may be a short duration and often expected with an upper respiratory infection. However, persistence of these complaints...
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