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A common visual problem that creates fuzzy images as a result an oblong cornea is known as?
astigmatism
What happens if the curvature along the horizontal axis of the cornea is less than the curvature along the vertical axis?
If the curvature along the horizontal axis of the cornea is less than the curvature along the vertical axis, it may lead to astigmatism. This means that the cornea is not perfectly spherical, causing light entering the eye to focus unevenly on the retina. This can result in distorted or blurry vision at all distances. An eye doctor can diagnose astigmatism and prescribe corrective lenses to improve vision clarity.
What does Astigmatism result in?
The result is a blurred image
What is a stygmatism?
Astigmatism is a common refractive error in the eye caused by an irregular shape of the cornea or lens, leading to blurred or distorted vision. Instead of being evenly curved, the cornea or lens may be more curved in one direction than the other, causing light to focus on multiple points in the eye. This can result in difficulties seeing fine details at any distance. Astigmatism can often be corrected with glasses, contact lenses, or refractive surgery.
What eye defect characterized by clear vision in one dimension but focused on the other?
Astigmatism is an eye defect characterized by clear vision in one dimension, but focused in a different dimension. It occurs when the cornea or lens of the eye is not perfectly spherical, causing light to be focused unevenly. This can result in blurred vision at different distances.
Which condition can result when either the cornea or the lens is misshapen?
When either the cornea or lens is misshapen, it can lead to refractive errors such as myopia (nearsightedness), hyperopia (farsightedness), or astigmatism. These conditions affect how light is focused onto the retina, resulting in blurred vision. Corrective lenses or refractive surgery are common treatments to address these issues.
What is keratometry and two way to write the result of measuring cornea curvature?
Keratometer is a device, which can be use to measure the curvature of the Cornea, in order to fit the contact lenses on it. The result ofcourse, is believed to measured only the Corneal Power and Astigmatism of the outer surface of the cornea, but there is a way to calculate the total Astigmatism amount for the eyeball, with using the Javal's law. There are 2 ways to write the result of Keratometry, which are standard. for example, we have calculated an amount for an eye like this: 43.00@90 & 46.00@180 => the Clinical result : -3.00X90 ATR (against the rule) Now, to write the standard prescriotion, there are 2 way: 1- 43.00/46.00@180 2- 46.00X90 "@" Means Meridian "X" Means Axis Sincerely Yours Khashayar Mehdizadehkashi Student of Bs. in Optometry School of Rehabilitation Iran University of Medical Sciences March 08, 2010 cell: +98(912)4335199
What is Unequal distribution of income a result of?
Unequal Distribution of invcome results in the rise of POVERTY.
Why individual who have astigmatism may experience difficulties distinguishing fine detail with the naked eye?
Individuals with astigmatism have an irregularly shaped cornea or lens, causing light to focus unevenly on the retina. This can result in blurred or distorted vision, making it difficult to distinguish fine details with the naked eye. The irregularity in the eye's shape causes light to scatter instead of focusing in a single point, leading to difficulties in seeing sharp images.
Unequal heating and cooling in the atmosphere can result in a?
earth surface
What is a polar molecue?
its the result of unequal sharing of a pair of electrons
What is result of the unequal heating of the earth and the differences in air pressure?
one of those
