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. 2021 Jun 10;12:632295. doi: 10.3389/fphar.2021.632295

FIGURE 2.

FIGURE 2

Presentation of the rat retina before (H) and after retrobulbar administered agents (saline (S), BPC 157 (B), and L-NAME (N)), immediately (I), and at 20 min (II) (IS, IB, IN; IIS, IIB, and IIN). H, before agent’s application (H—healthy). Normal eye background, normal presentation of the retinal and choroidal blood vessels (A). I, immediately after agent’s application (IS, IB, and IN) (B). Normal eye background, normal presentation of the retinal and choroidal blood vessels (saline (IS), BPC 157 (IB); moderate generalized irregularity in diameter of blood vessels with moderate atrophy of the optic disk, faint presentation of the choroidal blood vessels (IN). II, 20 min after agent’s application (IIS, IIB, and IIN) (C). Normal eye background, normal presentation of the retinal and choroidal blood vessels (saline (IIS), BPC 157 (IIB) (same presentation maintained till the end of the experiment, data not specifically shown); moderate generalized irregularity diameter blood vessels with moderate atrophy of the optic disk, faint presentation of the choroidal blood vessels (IIN). The images are processed with software purchased with a USB microscope camera “Veho Discovery VMS-004 Deluxe.”