23. Retina Cells: Vision for Life

Retinal cells, especially photoreceptors, have a limited capacity for renewal. Most of these vital cells are meant to last a lifetime, supporting our sense of vision from childhood through old age.
Because they rarely regenerate, damage from injury, disease, or aging can lead to permanent vision loss or degenerative eye conditions like macular degeneration. Advances in regenerative medicine aim to overcome these challenges. For more, explore NEI: Retinal Degenerative Diseases.