Being unable to focus can be a symptom of eye fatigue or strain, which is commonly associated with reading or being in front of a computer for extended periods, states WebMD. Some other symptoms of eye strain can be eye irritation and light sensitivity.Know More
Another cause for an eye's inability to focus is blurred vision. Blurred vision can be related to certain eye issues, including presbyopia and hyperopia, as noted by All About Vision.
Hyperopia, which is also called farsightedness, is an eye condition in which people can see objects that are at a distance, but they cannot focus on objects that are close. Presbyopia can develop with age and is the inability to focus properly on nearby objects.
A macular hole in the retina is another ocular condition in which the affected eye sees distortions in objects, as stated by the National Eye Institute.Learn more about Vision
Side effects of laser surgery on cataracts include infection in the eye, retinal detachment and bleeding in the front of the eye, according to WebMD. Swelling of the clear layer over the eye and swelling and fluid in the center of the nerve layer are other possible side effects.Full Answer >
Look at an object located approximately 15 to 20 feet away through a hole in front of you formed by your thumbs and fingers. Close one eye at a time, and take note to which eye can focus with the object remaining still. This test only takes a few seconds.Full Answer >
There is a common misconception that the eye is already at its largest size at birth, but this is false. Human eyes grow rapidly while in the womb, like most other organs, and then they grow for three more months after birth. By three months, the eye is as wide as it gets, but it continues to grow from front to back as the child grows up.Full Answer >
Astigmatism is a condition that causes blurred vision when the lens or cornea of an eye has an irregular surface contour, according to Mayo Clinic. Rather than having a consistently smooth curvature, an astigmatic lens or cornea has abnormal curves and flattened areas, changing how the eye processes light.Full Answer >