Near Point

1. Find the nearest distance at which the eye sees clearly. 2. State that this distance is the near point. 3. For a normal adult eye, mention 25 cm. 4. If a different value is given in a case, use that value for the specific eye.

Show a near object placed at 25 cm from the eye and another placed closer than that. Mark the clearer position as the near point.

A common wrong answer is to call the near point the farthest visible distance. That is incorrect; the farthest distance is called the far point.

The near point is the nearest distance at which an object can be seen clearly without strain.

The near point is the nearest distance at which an object can be seen clearly without strain. For a normal adult eye, the near point is approximately 25 cm. A textbook held at 25 cm is usually readable clearly, but if it is brought too close, the letters may blur.

For a normal adult eye, the near point is about 25 cm. If an object is brought closer than this, the eye cannot focus it sharply on the retina. The near point depends on the eye's power of accommodation and can change with age or vision defects. For a normal adult eye, the near point is approximately 25 cm. If a child can read clearly only when the book is kept at 30 cm, then the near point for that eye is 30 cm, not 25 cm. This may suggest a vision defect or reduced accommodation. State the definition of near point, give the standard value for a normal eye, or identify the effect of a changed near point in a case-based question. A common wrong answer is to call the near point the farthest visible distance. That is incorrect; the farthest distance is called the far point.