What is the role of cones in ametropia?
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Cone photoreceptors play a role in ametropia, specifically in myopia development. Studies have shown that the proportion of L (long-wavelength-sensitive) and M (medium-wavelength-sensitive) cones may be related to myopia development . However, the L/M cone ratio does not show a systematic difference simply due to refractive error . In cases of ametropic amblyopia, patients show subnormal photoreceptor properties, including low cone density, which may be associated with defective color vision and poor prognosis . The spread of refractive errors in achromats, who lack normal cone function, is larger than previously documented, suggesting that chromatic cues and cone photoreceptors may play a role in emmetropization in humans . The photoreceptors, including cones, act as three-dimensional adaptable detectors of light, optimizing optical image contrast and resolution, which may impact emmetropization and prevent the onset or progression of myopia .
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21 Aug 2020 1 Citations | The provided paper does not specifically discuss the role of cones in ametropia. The paper focuses on the role of cones in color perception, blur, and emmetropization. |
22 Citations | The provided paper does not mention the role of cones in ametropia. The paper is about early ametropia and rod photoreceptor function in retinopathy of prematurity. |
| The paper does not specifically discuss the role of cones in ametropia. The paper focuses on evaluating the photoreceptor anomalies in cases of ametropic amblyopia. | |
| The provided paper does not specifically mention the role of cones in ametropia. |
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