In facial aesthetic analysis, Dr. Young’s eye iris diameter assessment method

Dr. In Young’s theory, the iris of the eye, the colored part of the eye, is used in facial aesthetic evaluation.

The basis of this approach is to first draw attention to the eyes, nose and mouth when looking at a face and to evaluate the attractiveness of the face with these anatomical areas. The first thing to notice in the eye is the iris. The diameter and dimensions of the iris determine the size and shape of other aesthetic areas of the face. This approach is called the “Circles of Prominence (COP)” theory. In this theory, iris width is used instead of numerical values. For example, the width of the nose tip, nose root, nose wings and lower lip should be one iris width.

The symmetry of the eyes, nose and mouth on the face and their ratio to each other are also evaluated by the width of the iris. For example, the center of the eye is the iris, the center of the nose is the nasal tip and nasal root, and the center of the mouth is the lower lip. The distance of the eye to the root of the nose, the distance of the root of the nose to the tip of the nose, the distance of the tip of the nose to the width of the lower lip, the distance of the width of the lower lip to the chin should be equal, and these distances should be 3 iris wide.

Evaluation of the face with this method

Evaluation of the eye area with this method;

In this method, when the iris is taken as a reference to the midline, 4 rings are formed in the eye;

The first of these rings passes through the iris.

The second is 2 iris high and 3 iris wide. The width is the width of the iris placed from the limbus to the inner and outer canthus of the iris. In the upper eyelids, the distance between the eyelashes and the eyelid is 1/2 iris diameter.

The 3rd eye ring is 4 iris high and 5 iris wide. This 3rd ring is bounded above by the brow, inside by the edge of the ridge of the nose, externally by the orbital rim, and below by the high midpoint of the cheek. The distance between the fold of the upper eyelid and the lower border of the eyebrows is 1/2 iris diameter. The height of the eyebrows is 1/2 the diameter of the iris.

The 4th eye ring has a central pupil and a radius of 3 pupil diameters. It passes through the border line of the face, determines the highest arch of the eyebrow above, and passes through the middle oblique line below.

In this evaluation, it is used in oblique lines, which are extremely important in facial aesthetics.

The first of the oblique line passes between the pupil and the nose type and continues at the highest point of the eyebrow.

The 2nd oblique line is parallel to the 1st oblique line and starts from the lower lip, and its junction with the pupil, that is, the midline passing through the pupil, shows the medial border of the cheeks. These two oblique lines also determine the highest point of the ear.

3. The oblique line starts from the chin and runs parallel to the others. It passes through the lowest border of the ear.

Evaluation of the mouth and its surroundings with this method

Eyes and mouth anatomical area sizes and shapes are very similar. The 4 rings that appear around the mouth and their sizes are similar to the eye area.

The first ring is the thickest part of the lower lip and is 1 iris in diameter.

The second ring is 2 iris high and 3 iris wide. This ring is the areas where the lips should be the most voluminous. Upper lip thickness is ½ iris diameter.

3. The ring is 4 iris diameters high and 5 iris diameters wide. It passes from the subnasale at the top, from the corner of the mouth at the sides to the chin below.

The 4th ring is 3 pupils in diameter, passing through the center of the lower lip. This last ring defines the tip of the nose, the melolabial folds and the mentum.