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Frequency. ~2% (children) [3] Strabismus is a vision disorder in which the eyes do not properly align with each other when looking at an object. [2] The eye that is pointed at an object can alternate. [3] The condition may be present occasionally or constantly. [3] If present during a large part of childhood, it may result in amblyopia, or lazy ...
When an object is located close to the eye, the rays of light from this object no longer approach the eye parallel to each other. Consequently, the eye must increase its refractive power to bring those rays of light together on the retina.
The effect of this will be that when a vertical beam of light in the distance travels towards the eye, the "minus" cylinder (which is placed with its axis lying horizontally – meaning in line with the patient's horizontal meridian relative to the excessively steep vertical meridian) will cause this vertical beam of light to slightly "diverge ...
Matthew 5:29 is the twenty-ninth verse of the fifth chapter of the Gospel of Matthew in the New Testament and is part of the Sermon on the Mount. It is the third verse of the discussion of adultery.
Herein not forbidding to arraign and correct; but forbidding to make light of our own sins, and magnify those of others. For it behoves you first diligently to examine how great may be your own sins, and then try those of your neighbour; whence it follows, and then shalt thou see clearly to cast the mote out of thy brother’s eye.
The light would hurt his eyes and make it difficult for him to see the objects casting the shadows. If he were told that what he is seeing is real instead of the other version of reality he sees on the wall, he would not believe it.
Entoptic phenomena (from Ancient Greek ἐντός (entós) 'within' and ὀπτικός (optikós) 'visual') are visual effects whose source is within the human eye itself. (Occasionally, these are called entopic phenomena, which is probably a typographical mistake.) In Helmholtz 's words: "Under suitable conditions light falling on the eye ...
Myopia, also known as near-sightedness and short-sightedness, [ 5 ] is an eye disease [ 6 ][ 7 ][ 8 ] where light from distant objects focuses in front of, instead of on, the retina. [ 1 ][ 2 ][ 7 ] As a result, distant objects appear blurry while close objects appear normal. [ 1 ] Other symptoms may include headaches and eye strain. [ 1 ][ 9 ] Severe myopia is associated with an increased ...