PMC5479292_01
Optic disc asymmetry of cup-disc ratio 0.6 in the right eye (A) and 0.4 in the left eye (B).
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Initial impression was left amblyopia secondary to high hyperopia; however, careful dilated fundal examination also revealed optic disc asymmetry of cup-disc ratio 0.6 in the right eye and 0.4 in the left eye (Figure 1).
(A) Optic nerve head topography on HRT and (B) optical coherence tomography of the optic nerve head and peripapillary retinal nerve fiber layer.. Note: Both the HRT and optical coherence tomography were normal except for rim area asymmetry noted on HRT.. Abbreviation: HRT, Heidelberg retinal tomograph.
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Heidelberg retinal tomograph (HRT) and optical coherence tomography of the optic nerve head and peripapillary retinal nerve fiber layer were normal except for rim area asymmetry noted on HRT (Figure 2A and B). Humphrey visual field was attempted but unreliably performed (Figure 3A and 3B).
Humphrey visual field of patient's left (A) and right (B) eyes.
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Heidelberg retinal tomograph (HRT) and optical coherence tomography of the optic nerve head and peripapillary retinal nerve fiber layer were normal except for rim area asymmetry noted on HRT (Figure 2A and B). Humphrey visual field was attempted but unreliably performed (Figure 3A and 3B).