The most common finding in AGS patients is posterior embryotoxon, which is the more minor form of eye anterior chamber abnormality. Posterior embryotoxon has no consequence on visual acuity and is present in 10-15% of normal individuals. All the spectrum of eye anterior chamber abnormalities may be observed including glaucoma. Retinal changes such as pigmentary retinitis were formerly ascribed to vitamin deficiency, but progressive blindness may occur even with normal vitamin level.
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