FIG 1.

Doppler spectrum of the left ophthalmic artery shows end-diastolic flow reversal. Resistive index is 1.80.

FIG 2. Doppler spectrum of the right central retinal artery shows end-diastolic flow reversal. Resistive index is 1.18.

FIG 3. Doppler spectrum of the right central retinal artery shows absence of end-diastolic flow. Resistive index is 1.