Which image corresponds to the anterior lens in the Purkinje image system?

In the context of the Purkinje image system, the anterior lens refers to the first Purkinje image, which is formed by the reflection of light off the anterior surface of the cornea and lens. However, it is important to understand that the specific correspondence of images to the Purkinje images can cause confusion.

PS 1 is the first Purkinje image created by the anterior surface of the cornea, while PS 2 originates from the anterior surface of the lens. PS 3 is the reflection from the posterior surface of the lens, and PS 4 results from the posterior surface of the cornea.

Given this framework, the identification of PS 2 as being related to the anterior lens is correct, as it specifically denotes the light reflection originating from this interface. Thus, the distinction is clear because the anterior lens structure in the system is primarily associated with PS 2. The understanding of these individual Purkinje images is essential for optical assessments and interpretations, especially in clinical settings related to measuring ocular structures.