1877
The system also permits precise aiming and delivery of 810 - nm wavelength photocoagulation laser energy to target FVs on a real - time ICG angiogram image of the choroidal vasculature .
 FVs, choroidal vasculature
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 FVs, choroidal vasculature