In a small bowl, combine olive oil, lemon juice, salt, pepper and chives and whisk together. Set aside.
In a large bowl, combine cucumber, avocado, and tomato.
Pour dressing over the salad mixture and gently mix until the salad is covered completely.
Calories: 226kcal | Carbohydrates: 10g | Protein: 2g | Fat: 21g | Saturated Fat: 2g | Sodium: 299mg | Potassium: 537mg | Fiber: 4g | Sugar: 3g | Vitamin A: 780IU | Vitamin C: 24mg | Calcium: 24mg | Iron: 0.7mg