Astigmatism (Q41957): Difference between revisions
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Curvatura desigual das superfícies refrativas do olho. Assim, uma fonte de luz puntiforme não pode ser trazida a um ponto focal na retina, mas está espalhada por uma área mais ou menos difusa. É o resultado do raio de curvatura do olho em um plano ser maior ou menor do que o raio a um ângulo reto dele. | |||
| description / en | description / en | ||
Unequal curvature of the refractive surfaces of the eye. Thus a point source of light cannot be brought to a point focus on the retina but is spread over a more or less diffuse area. This results from the radius of curvature in one plane being longer or shorter than the radius at right angles to it. | |||
Revision as of 08:17, 13 August 2026
Unequal curvature of the refractive surfaces of the eye. Thus a point source of light cannot be brought to a point focus on the retina but is spread over a more or less diffuse area. This results from the radius of curvature in one plane being longer or shorter than the radius at right angles to it.
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | 9D00.2 |
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| English | Astigmatism |
Unequal curvature of the refractive surfaces of the eye. Thus a point source of light cannot be brought to a point focus on the retina but is spread over a more or less diffuse area. This results from the radius of curvature in one plane being longer or shorter than the radius at right angles to it. |
