---
title: cornea — school dictionary · trees and pragmatics
description: «cornea» in the school dictionary: The clear, curved, dome-shaped layer at the front of the eye that covers the iris and pupil and helps focus light. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# cornea

<!-- .vintro -->
**Who acts:** eye, Light, We, you, doctor, I · **What happens:** curve, shape, cover, help, focus, pass · **To what, where:** iris, light, cornea, lens, diagram, goggles · **Speech:** someone speaks here

<!-- .vabout -->
«cornea» in the school dictionary: its meaning for a pupil and its 6 examples, every sentence parsed by Mova itself — its syntax tree, a dependency tree in the style of Universal Dependencies, and its pragmatics clause by clause. The word in the dictionary, with its sense in the lessons: [cornea in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/cornea.md).

## Meaning 1 {#m1}

<!-- .ven lang=en -->
The clear, curved, dome-shaped layer at the front of the eye that covers the iris and pupil and helps focus light.

<!-- fold The tree, 22 words -->
```conllu
# sent_id = dict:school:cornea:m1:1
# text = The clear, curved, dome-shaped layer at the front of the eye that covers the iris and pupil and helps focus light.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	clear	clear	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
3	,	,	PUNCT	,	_	4	punct	_	_
4	curved	curve	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	conj	_	SpaceAfter=No
5	,	,	PUNCT	,	_	9	punct	_	_
6	dome	dome	NOUN	NN	Number=Sing	8	compound	_	SpaceAfter=No
7	-	-	PUNCT	HYPH	_	6	punct	_	SpaceAfter=No
8	shaped	shape	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	amod	_	_
9	layer	layer	NOUN	NN	Number=Sing	4	advcl	_	_
10	at	at	ADP	IN	_	12	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	front	front	NOUN	NN	Number=Sing	9	nmod	_	_
13	of	of	ADP	IN	_	15	case	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	eye	eye	NOUN	NN	Number=Sing	12	nmod	_	_
16	that	that	PRON	WDT	PronType=Rel	17	nsubj	_	_
17	covers	cover	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	acl:relcl	_	_
18	the	the	DET	DT	Definite=Def|PronType=Art	19	det	_	_
19	iris	iris	NOUN	NN	Number=Sing	17	obj	_	_
20	and	and	CCONJ	CC	_	21	cc	_	_
21	pupil	pupil	NOUN	NN	Number=Sing	19	conj	_	_
22	and	and	CCONJ	CC	_	23	cc	_	_
23	helps	help	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	conj	_	_
24	focus	focus	VERB	VB	VerbForm=Inf	23	xcomp	_	_
25	light	light	NOUN	NN	Number=Sing	24	obj	_	SpaceAfter=No
26	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **curve** | participle |  |  |  |  |  |  | vn knead-26.5 «NP.material V PP.product»: agent=Material |
| 2 | **shape** | participle |  |  |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset |
| 3 | **cover** | present | the eye | the iris and pupil |  |  |  |  | vn fill-9.8-1 «NP V NP»: agent=Theme iris=Destination |
| 4 | **help** | present | the eye *not said here* |  |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent clause=Theme |
| 5 | **focus** | infinitive | the eye *not said here* | light |  |  |  |  | tree rules |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

## Example 1 {#x1}

<!-- .ven lang=en -->
Light passes through the cornea before it reaches the lens.

```conllu
# sent_id = dict:school:cornea:x1:1
# text = Light passes through the cornea before it reaches the lens.
1	Light	light	NOUN	NN	Number=Sing	2	nsubj	_	_
2	passes	pass	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	through	through	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	cornea	cornea	NOUN	NN	Number=Sing	2	obl	_	_
6	before	before	SCONJ	IN	_	8	mark	_	_
7	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	8	nsubj	_	_
8	reaches	reach	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	lens	lens	NOUN	NN	Number=Sing	8	obj	_	SpaceAfter=No
11	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pass** | present | Light |  |  | the cornea |  |  | vn occur-48.3-1 «NP V PP»: agent=Theme through cornea=Location |
| 2 | **reach** | present | Light | the lens |  |  |  |  | vn body\_motion-49.2-1-1 «NP V NP ADV»: agent=Agent lens=Theme |

## Example 2 {#x2}

<!-- .ven lang=en -->
We labelled the cornea on our diagram of the eye.

```conllu
# sent_id = dict:school:cornea:x2:1
# text = We labelled the cornea on our diagram of the eye.
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	2	nsubj	_	_
2	labelled	label	VERB	VBD	Mood=Ind|Number=Plur|Person=1|Tense=Past|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	cornea	cornea	NOUN	NN	Number=Sing	2	obj	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	our	our	PRON	PRP$	Case=Gen|Number=Plur|Person=1|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	diagram	diagram	NOUN	NN	Number=Sing	2	obl	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	eye	eye	NOUN	NN	Number=Sing	7	nmod	_	SpaceAfter=No
11	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **label** | past | We | the cornea |  | our diagram of the eye |  |  | vn butter-9.9 «NP V NP.destination»: agent=Agent cornea=Destination |

## Example 3 {#x3}

<!-- .ven lang=en -->
Wear goggles to protect your cornea in the lab.

```conllu
# sent_id = dict:school:cornea:x3:1
# text = Wear goggles to protect your cornea in the lab.
1	Wear	wear	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	goggles	goggle	NOUN	NNS	Number=Plur	1	obj	_	_
3	to	to	PART	TO	_	4	mark	_	_
4	protect	protect	VERB	VB	VerbForm=Inf	1	advcl	_	_
5	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	cornea	cornea	NOUN	NN	Number=Sing	4	obj	_	_
7	in	in	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	lab	lab	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
10	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **wear** | imperative | you *not said here* | goggles |  |  |  |  | vn wipe\_manner-10.4.1-1 «NP V NP.source»: agent=Agent goggle=Source |
| 2 | **protect** | to-infinitive | you *not said here* | your cornea |  | the lab |  |  | vn defend-72.3 «NP V NP»: agent=Agent cornea=Beneficiary |

## Example 4 {#x4}

<!-- .ven lang=en -->
The doctor said I had a tiny scratch on my cornea.

```conllu
# sent_id = dict:school:cornea:x4:1
# text = The doctor said I had a tiny scratch on my cornea.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	doctor	doctor	NOUN	NN	Number=Sing	3	nsubj	_	_
3	said	say	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	5	nsubj	_	_
5	had	have	VERB	VBD	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	3	ccomp	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	tiny	tiny	ADJ	JJ	Degree=Pos	8	amod	_	_
8	scratch	scratch	NOUN	NN	Number=Sing	5	obj	_	_
9	on	on	ADP	IN	_	11	case	_	_
10	my	my	PRON	PRP$	Case=Gen|Number=Sing|Person=1|Poss=Yes|PronType=Prs	11	nmod:poss	_	_
11	cornea	cornea	NOUN	NN	Number=Sing	5	obl	_	SpaceAfter=No
12	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **say** *speech: assert* | past | the doctor |  |  |  |  |  | vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic |
| 2 | **have** | past | I | a tiny scratch |  | my cornea |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent scratch=Patient |

## Example 5 {#x5}

<!-- .ven lang=en -->
The cornea has no blood vessels, so it is clear.

```conllu
# sent_id = dict:school:cornea:x5:1
# text = The cornea has no blood vessels, so it is clear.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	cornea	cornea	NOUN	NN	Number=Sing	3	nsubj	_	_
3	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	no	no	DET	DT	PronType=Neg	6	det	_	_
5	blood	blood	NOUN	NN	Number=Sing	6	compound	_	_
6	vessels	vessel	NOUN	NNS	Number=Plur	3	obj	_	SpaceAfter=No
7	,	,	PUNCT	,	_	11	punct	_	_
8	so	so	ADV	RB	_	11	advmod	_	_
9	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	11	expl	_	_
10	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	cop	_	_
11	clear	clear	ADJ	JJ	Degree=Pos	3	conj	_	SpaceAfter=No
12	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | the cornea | no blood vessels |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent vessel=Patient |
| 2 | **is** | present | the cornea *not said here* |  |  |  |  | clear *property* | tree rules |

## Example 6 {#x6}

<!-- .ven lang=en -->
A cornea transplant can help some people see again.

```conllu
# sent_id = dict:school:cornea:x6:1
# text = A cornea transplant can help some people see again.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	cornea	cornea	NOUN	NN	Number=Sing	3	compound	_	_
3	transplant	transplant	NOUN	NN	Number=Sing	5	nsubj	_	_
4	can	can	AUX	MD	VerbForm=Fin	5	aux	_	_
5	help	help	VERB	VB	VerbForm=Inf	0	root	_	_
6	some	some	DET	DT	PronType=Ind	7	det	_	_
7	people	people	NOUN	NNS	Number=Plur	8	nsubj	_	_
8	see	see	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	ccomp	_	_
9	again	again	ADV	RB	_	8	advmod	_	SpaceAfter=No
10	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **help** | can | a cornea transplant |  |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent clause=Theme |
| 2 | **see** | present | some people |  |  |  | again |  | vn comprehend-87.2-1-1 «NP V»: agent=Experiencer |

<!-- div src -->

**Text:** the school dictionary of Mova's schools (`world/data/dictionary-schools/`), written for Mova. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each meaning and example read on its own. Elamur Cosmic License.

<!-- /div -->

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