While not always require, it often helps. Acne severity guides treatment choice, so the doctor will usually ask to see the affected areas on camera where possible; good lighting makes this easier. If your acne is on your back or chest, you can share photos or describe the appearance. A visual assessment is part of what can make a video consultation genuinely useful, and may help the doctor confirm whether online treatment is right for you, or whether a dermatologist referral might serve you better.