1426
Magnification - corrected planimetry of the parapapillary region was performed according to Littmann ' s method in 312 unselected eyes with chronic primary open - angle glaucoma and in 125 normal eyes of an age - and refraction - matched control group using optic disk photographs .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None