**Core Concept**
Traditional solution liners, such as those used in ophthalmology, are designed to release a therapeutic agent in the anterior chamber of the eye. This concept is based on the principle of sustained release, where a reservoir of the drug is embedded in a biocompatible material that slowly releases the active ingredient over time.

**Why the Correct Answer is Right**
Traditional solution liners are designed to release a therapeutic agent in a controlled manner, providing a sustained effect. This is achieved through the use of a biocompatible material that slowly dissolves or erodes, releasing the drug in a predictable fashion. The release mechanism is often dependent on the degradation rate of the material, which can be tailored to match the desired therapeutic effect.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because traditional solution liners are designed for sustained release, not immediate release. The primary goal of solution liners is to provide a prolonged therapeutic effect, not a rapid one.
**Option B:** This option is incorrect because traditional solution liners are typically designed to release a single therapeutic agent, not multiple agents. The complexity of releasing multiple agents would require a more sophisticated delivery system.
**Option C:** This option is incorrect because traditional solution liners are not typically designed for targeted delivery to specific cells or tissues. While some newer systems may offer targeted delivery, traditional solution liners are generally designed for broad release in the anterior chamber.

**Clinical Pearl / High-Yield Fact**
When considering traditional solution liners, it's essential to remember that the release mechanism is often dependent on the degradation rate of the material. This means that the duration of action can be tailored by selecting a material with the appropriate degradation rate.

**Correct Answer: A. This option is incorrect because traditional solution liners are designed for sustained release, not immediate release.**