The human eye is like a camera and hence it contains a system of lens. The eye lens forms

The human eye functions similarly to a camera, utilizing a system of lenses to focus light. The eye lens, which is a convex (converging) lens, refracts incoming light rays to converge on the retina [1]. According to the principles of geometrical optics, a convex lens forms a real and inverted image when the object is placed beyond its focal point [3]. Since the retina acts as a screen upon which the image is projected, the resulting image is necessarily real [3]. Specifically, the eye lens forms an inverted, real image of the object on the retinal membrane [1]. Although the image on the retina is upside down, the brain receives these signals via the optic nerve and processes the information so that we perceive the objects as upright and in their correct orientation [4].

Sources

1. [1] Science , class X (NCERT 2025 ed.) > Chapter 10: The Human Eye and the Colourful World > 10.1 THE HUMAN EYE > p. 162
2. [2] https://www.ucl.ac.uk/brain-sciences/ioo/research/research-labs-and-groups/carr-lab/bestrophinopathies-resource-pages/eye/anatomy-camera-eye
3. [3] Science , class X (NCERT 2025 ed.) > Chapter 9: Light – Reflection and Refraction > Solution > p. 157
4. [4] Science , class X (NCERT 2025 ed.) > Chapter 9: Light – Reflection and Refraction > Activity 9.12 > p. 152