JPS6227606U - - Google Patents
Info
- Publication number
- JPS6227606U JPS6227606U JP11772985U JP11772985U JPS6227606U JP S6227606 U JPS6227606 U JP S6227606U JP 11772985 U JP11772985 U JP 11772985U JP 11772985 U JP11772985 U JP 11772985U JP S6227606 U JPS6227606 U JP S6227606U
- Authority
- JP
- Japan
- Prior art keywords
- showing
- lens
- visual acuity
- flowchart showing
- view
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000004304 visual acuity Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 206010020675 Hypermetropia Diseases 0.000 claims description 2
- 230000004305 hyperopia Effects 0.000 claims description 2
- 201000006318 hyperopia Diseases 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Description
第１図は本考案に係る自動視力計の実施例を示
す外観斜視図、第２Ａ図は回答スイツチの構成を
示す平面図、第２Ｂ図は第２Ａ図のＢ―Ｂ′
視断面図、第３図は操作パネルの構成を示す平面
図、第４図は光学配置を示す斜視図、第５図は補
助レンズ群の構成を示す平面図、第６図は液晶板
のパターン例を示す平面図、第７図はマスク板の
パターン例を示す平面図、第８図は電気系の構成
を示すブロツク図、第９図は検査ルーチン全体の
流れを示すフローチヤート、第１０図は測定処理
サブルーチンを示すフローチヤート、第１１図は
スクリーニングルーチンを示すフローチヤート、
１２Ａ図ないし１２Ｄ図は視標の提示例を示す図
、第１３図は偶然一致による誤測定防止のサブル
ーチンを示すフローチヤート、第１４図は０．７
精密テストのサブルーチンを示すフローチヤート
、第１５図は第１４図の各ステツプに共通のその
ステツプ内のルーチンを示すフローチヤート、第
１６図は立体視テストのルーチンを示すフローチ
ヤート、第１７図は立体視の提示例を示す図であ
る。
１０……台座、１１……操作パネル、１２……
スタートスイツチ、１３……回答スイツチ、３０
……操作パネル、４２Ｒ，４２Ｌ……視標板、４
３Ｒ，４３Ｌ……レンズ、４９１Ｒ，４９１Ｌ…
…遠視チエツク用レンズ、４９５Ｒ，４９５Ｌ…
…ターレツト板、４９６……パルスモータ、４９
６ａ，４９８Ｒ，４９８Ｌ……ギヤ、４９９Ｒ，
４９９Ｌ……テンシヨンベルト。
Fig. 1 is an external perspective view showing an embodiment of the automatic visual acuity meter according to the present invention, Fig. 2A is a plan view showing the configuration of the answer switch, and Fig. 2B is B-B' in Fig. 2A.
3 is a plan view showing the structure of the operation panel, FIG. 4 is a perspective view showing the optical arrangement, FIG. 5 is a plan view showing the structure of the auxiliary lens group, and FIG. 6 is a pattern of the liquid crystal plate. FIG. 7 is a plan view showing an example of a mask plate pattern, FIG. 8 is a block diagram showing the configuration of the electrical system, FIG. 9 is a flowchart showing the overall flow of the inspection routine, and FIG. 10 is a flowchart showing a measurement processing subroutine, FIG. 11 is a flowchart showing a screening routine,
Figures 12A to 12D are diagrams showing examples of visual target presentation, Figure 13 is a flowchart showing a subroutine for preventing erroneous measurements due to coincidence, and Figure 14 is 0.7.
15 is a flowchart showing a routine within each step common to each step in FIG. 14; FIG. 16 is a flowchart showing a stereoscopic vision test routine; FIG. 17 is a flowchart showing a subroutine for a precision test. FIG. 3 is a diagram illustrating an example of stereoscopic presentation. 10...Pedestal, 11...Operation panel, 12...
Start switch, 13...Answer switch, 30
...Operation panel, 42R, 42L...Optotype board, 4
3R, 43L...Lens, 491R, 491L...
...Hyperopia check lens, 495R, 495L...
...Turret plate, 496...Pulse motor, 49
6a, 498R, 498L...Gear, 499R,
499L...Tension belt.
補正 昭６０．１０．２９
図面の簡単な説明を次のように補正する。
明細書第４２頁第１７行の“１２Ａ図ないし１
２Ｄ図”を「第１２Ａ図から第１２Ｄ図」に訂正
する。Amendment October 29, 1980 The brief description of the drawing is amended as follows. “Figure 12A to 1” on page 42, line 17 of the specification
2D figure” is corrected to “Figure 12A to 12D.”
Claims (1)
れた視標からの光を被検眼に向け投影するための
レンズと、遠視チエツク用に前記レンズの近傍に
選択的に付加される正の屈折力をもつ光学部材と
を包含することを特徴とする視力計。 (2) 前記光学部材が凸レンズであることを特徴
とする実用新案登録請求の範囲第(1)項記載の視
力計。 (3) 前記凸レンズの屈折力が＋０．５Ｄである
ことを特徴とする実用新案登録請求の範囲第(2)
項記載の視力計。[Claims for Utility Model Registration] (1) An optotype presenting means, a lens for projecting light from an optotype labeled on the optotype presenting means toward the eye to be examined, and the lens for hyperopia check. and an optical member having a positive refractive power selectively added in the vicinity of the visual acuity meter. (2) The visual acuity meter according to claim 1, wherein the optical member is a convex lens. (3) Utility model registration claim No. (2) characterized in that the refractive power of the convex lens is +0.5D.
Visual acuity meter as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985117729U JPH0310725Y2 (en) | 1985-07-31 | 1985-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985117729U JPH0310725Y2 (en) | 1985-07-31 | 1985-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6227606U true JPS6227606U (en) | 1987-02-19 |
| JPH0310725Y2 JPH0310725Y2 (en) | 1991-03-18 |
Family
ID=31003517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985117729U Expired JPH0310725Y2 (en) | 1985-07-31 | 1985-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0310725Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57139304U (en) * | 1981-02-27 | 1982-08-31 | ||
| JPS5944237A (en) * | 1982-09-03 | 1984-03-12 | 株式会社ニコン | Self-feeling eye inspecting apparatus |
-
1985
- 1985-07-31 JP JP1985117729U patent/JPH0310725Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57139304U (en) * | 1981-02-27 | 1982-08-31 | ||
| JPS5944237A (en) * | 1982-09-03 | 1984-03-12 | 株式会社ニコン | Self-feeling eye inspecting apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0310725Y2 (en) | 1991-03-18 |
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