Fig. 4.

The en face OCT-intensity and LIV images of normal and bleomycin-model alveolar organoids at Days +3, +7, +10, +16, +17, and +18. The images were extracted approximately $\mathrm{100-}\text{μ}\mathrm{m}$ below the sample surface. The FOV is $3\text{mm}\times 3\text{mm}$ .