A. A vision is when God flashes a picture in your mind's eye:

NUM 12:6. And he said, Hear now my words: If there be a prophet among you, I the LORD will make myself known unto him in a vision, and will speak unto him in a dream.

NUM 24:4. He hath said, which heard the words of God, which saw the vision of the Almighty, falling into a trance, but having his eyes open:

EZE 1:1. Now it came to pass in the thirtieth year, in the fourth month, in the fifth day of the month, as I was among the captives by the river of Chebar, that the heavens were opened, and I saw visions of God.

HOS 12:10. I have also spoken by the prophets, and I have multiplied visions, and used similitudes, by the ministry of the prophets.

JOE 2:28. And it shall come to pass afterward, that I will pour out my spirit upon all flesh; and your sons and your daughters shall prophesy, your old men shall dream dreams, your young men shall see visions:

ACT 10:9. On the morrow, as they went on their journey, and drew nigh unto the city, Peter went up upon the housetop to pray about the sixth hour:

ACT 10:10. And he became very hungry, and would have eaten: but while they made ready, he fell into a trance,

ACT 10:11. And saw heaven opened, and a certain vessel descending upon him, as it had been a great sheet knit at the four corners, and let down to the earth:

B. Some Old Testament examples:

GEN 15:1. After these things the word of the LORD came unto Abram in a vision, saying, Fear not, Abram: I am thy shield, and thy exceeding great reward.

GEN 15:2. And Abram said, LORD God, what wilt thou give me, seeing I go childless, and the steward of my house is this Eliezer of Damascus?

GEN 15:3. And Abram said, Behold, to me thou hast given no seed: and, lo, one born in my house is mine heir.

GEN 15:4. And, behold, the word of the LORD came unto him, saying, This shall not be thine heir; but he that shall come forth out of thine own bowels shall be thine heir.

GEN 15:5. And he brought him forth abroad, and said, Look now toward heaven, and tell the stars, if thou be able to number them: and he said unto him, So shall thy seed be.

1KI 22:17. And he said, I saw all Israel scattered upon the hills, as sheep that have not a shepherd: and the LORD said, These have no master: let them return every man to his house in peace.

1KI 22:35. And the battle increased that day: and the king was stayed up in his chariot against the Syrians, and died at even: and the blood ran out of the wound into the midst of the chariot.

1KI 22:36. And there went a proclamation throughout the host about the going down of the sun, saying, Every man to his city, and every man to his own country.

1KI 22:19. And he said, Hear thou therefore the word of the LORD: I saw the LORD sitting on his throne, and all the host of heaven standing by him on his right hand and on his left.

1KI 22:20. And the LORD said, Who shall persuade Ahab, that he may go up and fall at Ramothgilead? And one said on this manner, and another said on that manner.

1KI 22:21. And there came forth a spirit, and stood before the LORD, and said, I will persuade him.

1KI 22:22. And the LORD said unto him, Wherewith? And he said, I will go forth, and I will be a lying spirit in the mouth of all his prophets. And he said, Thou shalt persude him, and prevail also: go forth, and do so.

1KI 22:23. Now therefore, behold, the LORD hath put a lying spirit in the mouth of all these thy prophets, and the LORD hath spoken evil concerning thee.

EZE 1:1. Now it came to pass in the thirtieth year, in the fourth month, in the fifth day of the month, as I was among the captives by the river of Chebar, that the heavens were opened, and I saw visions of God.

EZE 1:2. In the fifth day of the month, which was the fifth year of king Jehoiachin's captivity,

EZE 1:3. The word of the LORD came expressly unto Ezekiel the priest, the son of Buzi, in the land of the Chaldeans by the river Chebar; and the hand of the LORD was there upon him.

EZE 1:4. And I looked, and, behold, a whirlwind came out of the north, a great cloud, and a fire infolding itself, and a brightness was about it, and out of the midst thereof as the colour of amber, out of the midst of the fire.

EZE 8:1. And it came to pass in the sixth year, in the sixth month, in the fifth day of the month, as I sat in mine house, and the elders of Judah sat before me, that the hand of the Lord GOD fell there upon me.

EZE 8:2. Then I beheld, and lo a likeness as the appearance of fire: from the appearance of his loins even downward, fire; and from his loins even upward, as the appearance of brightness, as the colour of amber.

EZE 10:1. Then I looked, and, behold, in the firmament that was above the head of the cherubims there appeared over them as it were a sapphire stone, as the appearance of the likeness of a throne.

DAN 8:1. In the third year of the reign of king Belshazzar a vision appeared unto me, even unto me Daniel, after that which appeared unto me at the first.

DAN 8:2. And I saw in a vision; and it came to pass, when I saw, that I was at Shushan in the palace, which is in the province of Elam; and I saw in a vision, and I was by the river of Ulai.

DAN 10:4. And in the four and twentieth day of the first month, as I was by the side of the great river, which is Hiddekel;

DAN 10:5. Then I lifted up mine eyes, and looked, and behold a certain man clothed in linen, whose loins were girded with fine gold of Uphaz:

DAN 10:6. His body also was like the beryl, and his face as the appearance of lightning, and his eyes as lamps of fire, and his arms and his feet like in colour to polished brass, and the voice of his words like the voice of a multitude.

DAN 10:7. And I Daniel alone saw the vision: for the men that were with me saw not the vision; but a great quaking fell upon them, so that they fled to hide themselves.

ZEC 1:7. Upon the four and twentieth day of the eleventh month, which is the month Sebat, in the second year of Darius, came the word of the LORD unto Zechariah, the son of Berechiah, the son of Iddo the prophet, saying,

ZEC 1:8. I saw by night, and behold a man riding upon a red horse, and he stood among the myrtle trees that were in the bottom; and behind him were there red horses, speckled, and white.

C. New Testament examples:

LUK 1:11. And there appeared unto him an angel of the Lord standing on the right side of the altar of incense.

LUK 1:12. And when Zacharias saw him, he was troubled, and fear fell upon him.

LUK 1:13. But the angel said unto him, Fear not, Zacharias: for thy prayer is heard; and thy wife Elisabeth shall bear thee a son, and thou shalt call his name John.

LUK 1:22. And when he came out, he could not speak unto them: and they perceived that he had seen a vision in the temple: for he beckoned unto them, and remained speechless.

ACT 9:1. And Saul, yet breathing out threatenings and slaughter against the disciples of the Lord, went unto the high priest,

ACT 9:2. And desired of him letters to Damascus to the synagogues, that if he found any of this way, whether they were men or women, he might bring them bound unto Jerusalem.

ACT 9:3. And as he journeyed, he came near Damascus: and suddenly there shined round about him a light from heaven:

ACT 9:4. And he fell to the earth, and heard a voice saying unto him, Saul, Saul, why persecutest thou me?

ACT 9:5. And he said, Who art thou, Lord? And the Lord said, I am Jesus whom thou persecutest: it is hard for thee to kick against the pricks.

ACT 9:6. And he trembling and astonished said, Lord, what wilt thou have me to do? And the Lord said unto him, Arise, and go into the city, and it shall be told thee what thou must do.

ACT 9:7. And the men which journeyed with him stood speechless, hearing a voice, but seeing no man.

ACT 26:13. At midday, O king, I saw in the way a light from heaven, above the brightness of the sun, shining round about me and them which journeyed with me.

ACT 26:14. And when we were all fallen to the earth, I heard a voice speaking unto me, and saying in the Hebrew tongue, Saul, Saul, why persecutest thou me? it is hard for thee to kick against the pricks.

ACT 26:15. And I said, Who art thou, Lord? And he said, I am Jesus whom thou persecutest.

ACT 26:16. But rise, and stand upon thy feet: for I have appeared unto thee for this purpose, to make thee a minister and a witness both of these things which thou hast seen, and of those things in the which I will appear unto thee;

ACT 26:17. Delivering thee from the people, and from the Gentiles, unto whom now I send thee,

ACT 26:18. To open their eyes, and to turn them from darkness to light, and from the power of Satan unto God, that they may receive forgiveness of sins, and inheritance among them which are sanctified by faith that is in me.

ACT 26:19. Whereupon, O king Agrippa, I was not disobedient unto the heavenly vision:

ACT 9:10. And there was a certain disciple at Damascus, named Ananias; and to him said the Lord in a vision, Ananias. And he said, Behold, I am here, Lord.

ACT 9:11. And the Lord said unto him, Arise, and go into the street which is called Straight, and enquire in the house of Judas for one called Saul, of Tarsus: for, behold, he prayeth,

ACT 9:12. And hath seen in a vision a man named Ananias coming in, and putting his hand on him, that he might receive his sight.

ACT 10:1. There was a certain man in Caesarea called Cornelius, a centurion of the band called the Italian band,

ACT 10:2. A devout man, and one that feared God with all his house, which gave much alms to the people, and prayed to God alway.

ACT 10:3. He saw in a vision evidently about the ninth hour of the day an angel of God coming in to him, and saying unto him, Cornelius.

ACT 10:4. And when he looked on him, he was afraid, and said, What is it, Lord? And he said unto him, Thy prayers and thine alms are come up for a memorial before God.

ACT 10:5. And now send men to Joppa, and call for one Simon, whose surname is Peter:

ACT 10:6. He lodgeth with one Simon a tanner, whose house is by the sea side: he shall tell thee what thou oughtest to do.

ACT 10:9. On the morrow, as they went on their journey, and drew nigh unto the city, Peter went up upon the housetop to pray about the sixth hour:

ACT 10:10. And he became very hungry, and would have eaten: but while they made ready, he fell into a trance,

ACT 10:11. And saw heaven opened, and a certain vessel descending upon him, as it had been a great sheet knit at the four corners, and let down to the earth:

ACT 10:12. Wherein were all manner of fourfooted beasts of the earth, and wild beasts, and creeping things, and fowls of the air.

ACT 10:13. And there came a voice to him, Rise, Peter; kill, and eat.

ACT 10:14. But Peter said, Not so, Lord; for I have never eaten any thing that is common or unclean.

ACT 10:15. And the voice spake unto him again the second time, What God hath cleansed, that call not thou common.

ACT 10:16. This was done thrice: and the vessel was received up again into heaven.

ACT 16:9. And a vision appeared to Paul in the night; There stood a man of Macedonia, and prayed him, saying, Come over into Macedonia, and help us.

ACT 18:9. Then spake the Lord to Paul in the night by a vision, Be not afraid, but speak, and hold not thy peace:

ACT 18:10. For I am with thee, and no man shall set on thee to hurt thee: for I have much people in this city.

D. Beware of false visions:

JER 14:14. Then the LORD said unto me, The prophets prophesy lies in my name: I sent them not, neither have I commanded them, neither spake unto them: they prophesy unto you a false vision and divination, and a thing of nought, and the deceit of their heart.

JER 23:16. Thus saith the LORD of hosts, Hearken not unto the words of the prophets that prophesy unto you: they make you vain: they speak a vision of their own heart, and not out of the mouth of the LORD.