Final answer:
Recurrent oral and genital aphthous ulcers, uveitis, and erythema nodosum are indicative of Behcet's disease, which has the risk of leading to blindness due to uveitis(option b).
Step-by-step explanation:
The clinical presentation of recurrent oral and genital aphthous ulcers, uveitis, and erythema nodosum suggests an underlying systemic condition. The answer to the question is b) Behcet's disease; blindness.
Behçet's disease is known for its recurrent ulceration and problems such as uveitis, which can lead to blindness if untreated. While Crohn's disease can present with skin manifestations such as erythema nodosum, it is primarily an inflammatory bowel disease that would put the individual at risk for bowel obstruction rather than uveitis and blindness. Ulcerative colitis predominantly affects the colon and rectum and can lead to liver complications. Sjögren's syndrome primarily affects the exocrine glands and is associated with renal complications.