ARTICLES DISCUSSED: Muñoz Arias, M., Douglass, J. K., Wehling M. F., Stavenga, D. G. Automated charting of the visual space of housefly compound eyes. Journal of Visualized Experiments. (181), e63643 (2022). Wagner, K., Smylla, T. K., Zeger, M., Huber, A. Studying membrane protein trafficking in Drosophila photoreceptor cells using eGFP-tagged proteins. Journal of Visualized Experiments. (179), e63375 (2022). Gutorov, R., Katz, B., Minke, B. Electrophysiological methods for measuring photopigment levels in Drosophila photoreceptors. Journal of Visualized Experiments. (184), e63514 (2022). Liu, J., Liu, Y., Chen, W., Ding, Y., Lan, X., Liu, W. Purification of endogenous Drosophila transient receptor potential channels. Journal of Visualized Experiments. (178), e63260 (2021). Panda, A., Thakur, R., Kumari, A., Raghu, P. Analysis of lipid signaling in Drosophila photoreceptors using mass spectrometry. Journal of Visualized Experiments. (181), e63516 (2022).