[Table/Fig-3]:

Division of the macular area into the 9 ETDRS subfields: central subfield (CSF), superior inner macula (SIM), inferior inner macula (IIM), temporal inner macula (TIM), nasal inner macula (NIM), superior outer macula (SOM), inferior outer macula (IOM), temporal outer macula (TOM) and nasal outer macula (NOM)