Achieving minimal light conditions involves several strategies: 1. Controlled Illumination: Using dimmable light sources or filters to adjust brightness. 2. Use of Polarizers: Polarizing filters can reduce glare and enhance contrast. 3. Proper Microscope Settings: Adjusting the condenser and diaphragm to optimize light intensity and distribution. 4. Darkroom Environment: Conducting examinations in a dimly lit room to minimize ambient light interference.