Optical Coherence Tomography Combined with Fluorescein Fundus Angiography under Intelligent Algorithm to Evaluate the Clinical Efficacy of Ranibizumab Combined with Panretinal Photocoagulation in the Treatment of Macular Edema of Diabetic Retinopathy Patients

Table 4

Emery level standard.

Level	Descriptions
Level I	Transparent color, no core, soft
Level II	Yellowish white or yellow, soft core
Level III	Dark yellow, medium hardness core
Level IV	Brown or amber, hard core
Level V	Tan or black, very hard core